556764640583 has 2 divisors, whose sum is σ = 556764640584. Its totient is φ = 556764640582.

The previous prime is 556764640573. The next prime is 556764640609. The reversal of 556764640583 is 385046467655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556764640583 - 2¹⁰ = 556764639559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556764640573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278382320291 + 278382320292.

It is an arithmetic number, because the mean of its divisors is an integer number (278382320292).

Almost surely, 2^556764640583 is an apocalyptic number.

556764640583 is a deficient number, since it is larger than the sum of its proper divisors (1).

556764640583 is an equidigital number, since it uses as much as digits as its factorization.

556764640583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576000, while the sum is 59.

The spelling of 556764640583 in words is "five hundred fifty-six billion, seven hundred sixty-four million, six hundred forty thousand, five hundred eighty-three".