14999999999

14999999999 is a natural number in the decimal numeral system. It is the integer just before 15000000000, and its decimal form is 14,999,999,999 (one four followed by nine nines). It can also be written as 15 × 10^9 − 1.

The number is odd and ends with the digit 9, so it is not divisible by 2 or 5. The sum of its digits is 86, which is not divisible by 3 or 9, so the number is not a multiple of 3 or 9. Consequently, 14999999999 is not divisible by 2, 3, or 5. Determining its full prime factorization would require computation; it may be prime or composite, but no small-prime divisibility is evident from these simple tests.

In terms of magnitude, it lies in the tens of billions, specifically around 1.5 × 10^10. It can be expressed algebraically as 15 × 10^9 − 1. There is no widely noted special mathematical significance attached to this particular integer in standard references.

In practical contexts, 14,999,999,999 often appears as an example of a large decimal integer in discussions of numeric ranges, computer arithmetic, or data sizes, and serves as a concrete value near the boundary of 15 × 10^9.