56696671439 has 2 divisors, whose sum is σ = 56696671440. Its totient is φ = 56696671438.

The previous prime is 56696671417. The next prime is 56696671469. The reversal of 56696671439 is 93417669665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56696671439 - 2²⁴ = 56679894223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56696671469) 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, 28348335719 + 28348335720.

It is an arithmetic number, because the mean of its divisors is an integer number (28348335720).

Almost surely, 2^56696671439 is an apocalyptic number.

56696671439 is a deficient number, since it is larger than the sum of its proper divisors (1).

56696671439 is an equidigital number, since it uses as much as digits as its factorization.

56696671439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44089920, while the sum is 62.

The spelling of 56696671439 in words is "fifty-six billion, six hundred ninety-six million, six hundred seventy-one thousand, four hundred thirty-nine".