56939212697 has 2 divisors, whose sum is σ = 56939212698. Its totient is φ = 56939212696.

The previous prime is 56939212679. The next prime is 56939212727. The reversal of 56939212697 is 79621293965.

Together with previous prime (56939212679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56794515856 + 144696841 = 238316^2 + 12029^2 .

It is a cyclic number.

It is not a de Polignac number, because 56939212697 - 2⁸ = 56939212441 is a prime.

It is not a weakly prime, because it can be changed into another prime (56939212607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28469606348 + 28469606349.

It is an arithmetic number, because the mean of its divisors is an integer number (28469606349).

Almost surely, 2^56939212697 is an apocalyptic number.

It is an amenable number.

56939212697 is a deficient number, since it is larger than the sum of its proper divisors (1).

56939212697 is an equidigital number, since it uses as much as digits as its factorization.

56939212697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 59.

The spelling of 56939212697 in words is "fifty-six billion, nine hundred thirty-nine million, two hundred twelve thousand, six hundred ninety-seven".