566271439697 has 2 divisors, whose sum is σ = 566271439698. Its totient is φ = 566271439696.

The previous prime is 566271439681. The next prime is 566271439703. The reversal of 566271439697 is 796934172665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492304302736 + 73967136961 = 701644^2 + 271969^2 .

It is a cyclic number.

It is not a de Polignac number, because 566271439697 - 2⁴ = 566271439681 is a prime.

It is not a weakly prime, because it can be changed into another prime (566271439637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283135719848 + 283135719849.

It is an arithmetic number, because the mean of its divisors is an integer number (283135719849).

Almost surely, 2^566271439697 is an apocalyptic number.

It is an amenable number.

566271439697 is a deficient number, since it is larger than the sum of its proper divisors (1).

566271439697 is an equidigital number, since it uses as much as digits as its factorization.

566271439697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102876480, while the sum is 65.

The spelling of 566271439697 in words is "five hundred sixty-six billion, two hundred seventy-one million, four hundred thirty-nine thousand, six hundred ninety-seven".