13963400364 has 24 divisors (see below), whose sum is σ = 34497813168. Its totient is φ = 4380674560.

The previous prime is 13963400309. The next prime is 13963400393. The reversal of 13963400364 is 46300436931.

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, 34223817 + ... + 34224224.

It is an arithmetic number, because the mean of its divisors is an integer number (1437408882).

Almost surely, 2^13963400364 is an apocalyptic number.

It is an amenable number.

13963400364 is an abundant number, since it is smaller than the sum of its proper divisors (20534412804).

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

13963400364 is a wasteful number, since it uses less digits than its factorization.

13963400364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68448065 (or 68448063 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 13963400364 in words is "thirteen billion, nine hundred sixty-three million, four hundred thousand, three hundred sixty-four".