56193235639 has 2 divisors, whose sum is σ = 56193235640. Its totient is φ = 56193235638.

The previous prime is 56193235627. The next prime is 56193235687. The reversal of 56193235639 is 93653239165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56193235639 - 2²³ = 56184847031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56193235739) by changing a digit.

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 as a sum of consecutive naturals, namely, 28096617819 + 28096617820.

It is an arithmetic number, because the mean of its divisors is an integer number (28096617820).

Almost surely, 2^56193235639 is an apocalyptic number.

56193235639 is a deficient number, since it is larger than the sum of its proper divisors (1).

56193235639 is an equidigital number, since it uses as much as digits as its factorization.

56193235639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3936600, while the sum is 52.

The spelling of 56193235639 in words is "fifty-six billion, one hundred ninety-three million, two hundred thirty-five thousand, six hundred thirty-nine".