13621307496 has 32 divisors (see below), whose sum is σ = 35151763200. Its totient is φ = 4393969920.

The previous prime is 13621307489. The next prime is 13621307507. The reversal of 13621307496 is 69470312631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9153361 + ... + 9154848.

It is an arithmetic number, because the mean of its divisors is an integer number (1098492600).

Almost surely, 2^13621307496 is an apocalyptic number.

It is an amenable number.

13621307496 is an abundant number, since it is smaller than the sum of its proper divisors (21530455704).

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

13621307496 is a wasteful number, since it uses less digits than its factorization.

13621307496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18308249 (or 18308245 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 13621307496 in words is "thirteen billion, six hundred twenty-one million, three hundred seven thousand, four hundred ninety-six".