566922945857 has 2 divisors, whose sum is σ = 566922945858. Its totient is φ = 566922945856.

The previous prime is 566922945829. The next prime is 566922945863. The reversal of 566922945857 is 758549229665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546333852736 + 20589093121 = 739144^2 + 143489^2 .

It is a cyclic number.

It is not a de Polignac number, because 566922945857 - 2¹⁴ = 566922929473 is a prime.

It is not a weakly prime, because it can be changed into another prime (566922945887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283461472928 + 283461472929.

It is an arithmetic number, because the mean of its divisors is an integer number (283461472929).

Almost surely, 2^566922945857 is an apocalyptic number.

It is an amenable number.

566922945857 is a deficient number, since it is larger than the sum of its proper divisors (1).

566922945857 is an equidigital number, since it uses as much as digits as its factorization.

566922945857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592000, while the sum is 68.

The spelling of 566922945857 in words is "five hundred sixty-six billion, nine hundred twenty-two million, nine hundred forty-five thousand, eight hundred fifty-seven".