14997138957 has 64 divisors (see below), whose sum is σ = 24352608000. Its totient is φ = 9088588800.

The previous prime is 14997138953. The next prime is 14997139007. The reversal of 14997138957 is 75983179941.

14997138957 is a `hidden beast` number, since 1 + 499 + 7 + 13 + 89 + 57 = 666.

It is not a de Polignac number, because 14997138957 - 2² = 14997138953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14997138894 and 14997138903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14997138953) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1277169 + ... + 1288857.

It is an arithmetic number, because the mean of its divisors is an integer number (380509500).

Almost surely, 2^14997138957 is an apocalyptic number.

It is an amenable number.

14997138957 is a deficient number, since it is larger than the sum of its proper divisors (9355469043).

14997138957 is a wasteful number, since it uses less digits than its factorization.

14997138957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819 (or 11813 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The spelling of 14997138957 in words is "fourteen billion, nine hundred ninety-seven million, one hundred thirty-eight thousand, nine hundred fifty-seven".