56489963407 has 2 divisors, whose sum is σ = 56489963408. Its totient is φ = 56489963406.

The previous prime is 56489963399. The next prime is 56489963447. The reversal of 56489963407 is 70436998465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56489963407 - 2³ = 56489963399 is a prime.

It is a super-2 number, since 2×56489963407² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56489963447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28244981703 + 28244981704.

It is an arithmetic number, because the mean of its divisors is an integer number (28244981704).

Almost surely, 2^56489963407 is an apocalyptic number.

56489963407 is a deficient number, since it is larger than the sum of its proper divisors (1).

56489963407 is an equidigital number, since it uses as much as digits as its factorization.

56489963407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 56489963407 in words is "fifty-six billion, four hundred eighty-nine million, nine hundred sixty-three thousand, four hundred seven".