13657972984 has 16 divisors (see below), whose sum is σ = 25655524200. Its totient is φ = 6816499872.

The previous prime is 13657972969. The next prime is 13657973027. The reversal of 13657972984 is 48927975631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556179 + ... + 1564930.

Almost surely, 2^13657972984 is an apocalyptic number.

It is an amenable number.

13657972984 is a deficient number, since it is larger than the sum of its proper divisors (11997551216).

13657972984 is a wasteful number, since it uses less digits than its factorization.

13657972984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121662 (or 3121658 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 61.

The spelling of 13657972984 in words is "thirteen billion, six hundred fifty-seven million, nine hundred seventy-two thousand, nine hundred eighty-four".