56973447239 has 2 divisors, whose sum is σ = 56973447240. Its totient is φ = 56973447238.

The previous prime is 56973447217. The next prime is 56973447281. The reversal of 56973447239 is 93274437965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56973447239 - 2²⁰ = 56972398663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56973440239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28486723619 + 28486723620.

It is an arithmetic number, because the mean of its divisors is an integer number (28486723620).

Almost surely, 2^56973447239 is an apocalyptic number.

56973447239 is a deficient number, since it is larger than the sum of its proper divisors (1).

56973447239 is an equidigital number, since it uses as much as digits as its factorization.

56973447239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 59.

The spelling of 56973447239 in words is "fifty-six billion, nine hundred seventy-three million, four hundred forty-seven thousand, two hundred thirty-nine".