13624530425 has 18 divisors (see below), whose sum is σ = 18569901294. Its totient is φ = 9908747200.

The previous prime is 13624530389. The next prime is 13624530443. The reversal of 13624530425 is 52403542631.

It can be written as a sum of positive squares in 3 ways, for example, as 1791659584 + 11832870841 = 42328^2 + 108779^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13624530425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2248964 + ... + 2255013.

It is an arithmetic number, because the mean of its divisors is an integer number (1031661183).

Almost surely, 2^13624530425 is an apocalyptic number.

It is an amenable number.

13624530425 is a deficient number, since it is larger than the sum of its proper divisors (4945370869).

13624530425 is a wasteful number, since it uses less digits than its factorization.

13624530425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504009 (or 4503993 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 13624530425 in words is "thirteen billion, six hundred twenty-four million, five hundred thirty thousand, four hundred twenty-five".