13625662538 has 16 divisors (see below), whose sum is σ = 20483929536. Its totient is φ = 6797701440.

The previous prime is 13625662529. The next prime is 13625662549. The reversal of 13625662538 is 83526652631.

It is a junction number, because it is equal to n+sod(n) for n = 13625662492 and 13625662501.

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, 2776595 + ... + 2781497.

It is an arithmetic number, because the mean of its divisors is an integer number (1280245596).

Almost surely, 2^13625662538 is an apocalyptic number.

13625662538 is a deficient number, since it is larger than the sum of its proper divisors (6858266998).

13625662538 is a wasteful number, since it uses less digits than its factorization.

13625662538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709.

The product of its digits is 1555200, while the sum is 47.

The spelling of 13625662538 in words is "thirteen billion, six hundred twenty-five million, six hundred sixty-two thousand, five hundred thirty-eight".