566872526813 has 2 divisors, whose sum is σ = 566872526814. Its totient is φ = 566872526812.

The previous prime is 566872526791. The next prime is 566872526821. The reversal of 566872526813 is 318625278665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512028975844 + 54843550969 = 715562^2 + 234187^2 .

It is a cyclic number.

It is not a de Polignac number, because 566872526813 - 2⁸ = 566872526557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566872526113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283436263406 + 283436263407.

It is an arithmetic number, because the mean of its divisors is an integer number (283436263407).

Almost surely, 2^566872526813 is an apocalyptic number.

It is an amenable number.

566872526813 is a deficient number, since it is larger than the sum of its proper divisors (1).

566872526813 is an equidigital number, since it uses as much as digits as its factorization.

566872526813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 59.

The spelling of 566872526813 in words is "five hundred sixty-six billion, eight hundred seventy-two million, five hundred twenty-six thousand, eight hundred thirteen".