56938892947 has 2 divisors, whose sum is σ = 56938892948. Its totient is φ = 56938892946.

The previous prime is 56938892887. The next prime is 56938892953. The reversal of 56938892947 is 74929883965.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56938892947 is a prime.

It is not a weakly prime, because it can be changed into another prime (56938892957) 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, 28469446473 + 28469446474.

It is an arithmetic number, because the mean of its divisors is an integer number (28469446474).

Almost surely, 2^56938892947 is an apocalyptic number.

56938892947 is a deficient number, since it is larger than the sum of its proper divisors (1).

56938892947 is an equidigital number, since it uses as much as digits as its factorization.

56938892947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 70.

The spelling of 56938892947 in words is "fifty-six billion, nine hundred thirty-eight million, eight hundred ninety-two thousand, nine hundred forty-seven".