56624242613 has 2 divisors, whose sum is σ = 56624242614. Its totient is φ = 56624242612.

The previous prime is 56624242561. The next prime is 56624242627. The reversal of 56624242613 is 31624242665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48919265329 + 7704977284 = 221177^2 + 87778^2 .

It is a cyclic number.

It is not a de Polignac number, because 56624242613 - 2⁸ = 56624242357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56624242673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28312121306 + 28312121307.

It is an arithmetic number, because the mean of its divisors is an integer number (28312121307).

Almost surely, 2^56624242613 is an apocalyptic number.

It is an amenable number.

56624242613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56624242613 is an equidigital number, since it uses as much as digits as its factorization.

56624242613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

The spelling of 56624242613 in words is "fifty-six billion, six hundred twenty-four million, two hundred forty-two thousand, six hundred thirteen".