566736810797 has 2 divisors, whose sum is σ = 566736810798. Its totient is φ = 566736810796.

The previous prime is 566736810779. The next prime is 566736810883. The reversal of 566736810797 is 797018637665.

566736810797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (566736810779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300450881956 + 266285928841 = 548134^2 + 516029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566736810797 is a prime.

It is a super-2 number, since 2×566736810797² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566736810767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283368405398 + 283368405399.

It is an arithmetic number, because the mean of its divisors is an integer number (283368405399).

Almost surely, 2^566736810797 is an apocalyptic number.

It is an amenable number.

566736810797 is a deficient number, since it is larger than the sum of its proper divisors (1).

566736810797 is an equidigital number, since it uses as much as digits as its factorization.

566736810797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 566736810797 in words is "five hundred sixty-six billion, seven hundred thirty-six million, eight hundred ten thousand, seven hundred ninety-seven".