13580427944 has 16 divisors (see below), whose sum is σ = 25464546420. Its totient is φ = 6789882240.

The previous prime is 13580427877. The next prime is 13580427961. The reversal of 13580427944 is 44972408531.

It can be written as a sum of positive squares in 2 ways, for example, as 13470387844 + 110040100 = 116062^2 + 10490^2 .

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, 271172 + ... + 317324.

Almost surely, 2^13580427944 is an apocalyptic number.

It is an amenable number.

13580427944 is a deficient number, since it is larger than the sum of its proper divisors (11884118476).

13580427944 is a wasteful number, since it uses less digits than its factorization.

13580427944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82940 (or 82936 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 13580427944 in words is "thirteen billion, five hundred eighty million, four hundred twenty-seven thousand, nine hundred forty-four".