12534626645 has 32 divisors (see below), whose sum is σ = 16085053440. Its totient is φ = 9356256000.

The previous prime is 12534626633. The next prime is 12534626693. The reversal of 12534626645 is 54662643521.

It is a happy number.

It is not a de Polignac number, because 12534626645 - 2¹² = 12534622549 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12534626596 and 12534626605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4093415 + ... + 4096475.

It is an arithmetic number, because the mean of its divisors is an integer number (502657920).

Almost surely, 2^12534626645 is an apocalyptic number.

It is an amenable number.

12534626645 is a deficient number, since it is larger than the sum of its proper divisors (3550426795).

12534626645 is a wasteful number, since it uses less digits than its factorization.

12534626645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037.

The product of its digits is 1036800, while the sum is 44.

The spelling of 12534626645 in words is "twelve billion, five hundred thirty-four million, six hundred twenty-six thousand, six hundred forty-five".