56970447239 has 2 divisors, whose sum is σ = 56970447240. Its totient is φ = 56970447238.

The previous prime is 56970447227. The next prime is 56970447251. The reversal of 56970447239 is 93274407965.

It is a balanced prime because it is at equal distance from previous prime (56970447227) and next prime (56970447251).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56970447239 is a prime.

It is a super-2 number, since 2×56970447239² (a number of 22 digits) contains 22 as substring.

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 (56973447239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28485223619 + 28485223620.

It is an arithmetic number, because the mean of its divisors is an integer number (28485223620).

Almost surely, 2^56970447239 is an apocalyptic number.

56970447239 is a deficient number, since it is larger than the sum of its proper divisors (1).

56970447239 is an equidigital number, since it uses as much as digits as its factorization.

56970447239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 56970447239 in words is "fifty-six billion, nine hundred seventy million, four hundred forty-seven thousand, two hundred thirty-nine".