566710612609 has 2 divisors, whose sum is σ = 566710612610. Its totient is φ = 566710612608.

The previous prime is 566710612607. The next prime is 566710612667. The reversal of 566710612609 is 906216017665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452498382400 + 114212230209 = 672680^2 + 337953^2 .

It is a cyclic number.

It is not a de Polignac number, because 566710612609 - 2¹ = 566710612607 is a prime.

Together with 566710612607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (566710612607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283355306304 + 283355306305.

It is an arithmetic number, because the mean of its divisors is an integer number (283355306305).

Almost surely, 2^566710612609 is an apocalyptic number.

It is an amenable number.

566710612609 is a deficient number, since it is larger than the sum of its proper divisors (1).

566710612609 is an equidigital number, since it uses as much as digits as its factorization.

566710612609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 566710612609 in words is "five hundred sixty-six billion, seven hundred ten million, six hundred twelve thousand, six hundred nine".