565045665791 has 2 divisors, whose sum is σ = 565045665792. Its totient is φ = 565045665790.

The previous prime is 565045665739. The next prime is 565045665841. The reversal of 565045665791 is 197566540565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565045665791 - 2⁶ = 565045665727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 565045665791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565045665721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282522832895 + 282522832896.

It is an arithmetic number, because the mean of its divisors is an integer number (282522832896).

Almost surely, 2^565045665791 is an apocalyptic number.

565045665791 is a deficient number, since it is larger than the sum of its proper divisors (1).

565045665791 is an equidigital number, since it uses as much as digits as its factorization.

565045665791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020000, while the sum is 59.

The spelling of 565045665791 in words is "five hundred sixty-five billion, forty-five million, six hundred sixty-five thousand, seven hundred ninety-one".