13325476864 has 44 divisors (see below), whose sum is σ = 30443377024. Its totient is φ = 5710915584.

The previous prime is 13325476859. The next prime is 13325476889. The reversal of 13325476864 is 46867452331.

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, 922344 + ... + 936679.

Almost surely, 2^13325476864 is an apocalyptic number.

13325476864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13325476864 is an abundant number, since it is smaller than the sum of its proper divisors (17117900160).

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

13325476864 is an equidigital number, since it uses as much as digits as its factorization.

13325476864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859050 (or 1859032 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 13325476864 in words is "thirteen billion, three hundred twenty-five million, four hundred seventy-six thousand, eight hundred sixty-four".