13597937408 has 54 divisors (see below), whose sum is σ = 29834669592. Its totient is φ = 6180866560.

The previous prime is 13597937359. The next prime is 13597937447. The reversal of 13597937408 is 80473979531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188516 + ... + 250467.

Almost surely, 2^13597937408 is an apocalyptic number.

It is an amenable number.

13597937408 is an abundant number, since it is smaller than the sum of its proper divisors (16236732184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13597937408 is an equidigital number, since it uses as much as digits as its factorization.

13597937408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439021 (or 438996 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 13597937408 in words is "thirteen billion, five hundred ninety-seven million, nine hundred thirty-seven thousand, four hundred eight".