56368420679 has 2 divisors, whose sum is σ = 56368420680. Its totient is φ = 56368420678.

The previous prime is 56368420657. The next prime is 56368420729. The reversal of 56368420679 is 97602486365.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56368420679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56368420579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28184210339 + 28184210340.

It is an arithmetic number, because the mean of its divisors is an integer number (28184210340).

Almost surely, 2^56368420679 is an apocalyptic number.

56368420679 is a deficient number, since it is larger than the sum of its proper divisors (1).

56368420679 is an equidigital number, since it uses as much as digits as its factorization.

56368420679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 56368420679 in words is "fifty-six billion, three hundred sixty-eight million, four hundred twenty thousand, six hundred seventy-nine".