13490357904 has 45 divisors (see below), whose sum is σ = 37758166563. Its totient is φ = 4496321376.

The previous prime is 13490357893. The next prime is 13490357917. The reversal of 13490357904 is 40975309431.

The square root of 13490357904 is 116148.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 13490357904.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1388937 + ... + 1398615.

Almost surely, 2^13490357904 is an apocalyptic number.

13490357904 is the 116148-th square number.

It is an amenable number.

13490357904 is an abundant number, since it is smaller than the sum of its proper divisors (24267808659).

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

13490357904 is an frugal number, since it uses more digits than its factorization.

13490357904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19372 (or 9684 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 13490357904 in words is "thirteen billion, four hundred ninety million, three hundred fifty-seven thousand, nine hundred four".