565165422397 has 2 divisors, whose sum is σ = 565165422398. Its totient is φ = 565165422396.

The previous prime is 565165422383. The next prime is 565165422401. The reversal of 565165422397 is 793224561565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563804255161 + 1361167236 = 750869^2 + 36894^2 .

It is a cyclic number.

It is not a de Polignac number, because 565165422397 - 2²³ = 565157033789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565165422307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282582711198 + 282582711199.

It is an arithmetic number, because the mean of its divisors is an integer number (282582711199).

Almost surely, 2^565165422397 is an apocalyptic number.

It is an amenable number.

565165422397 is a deficient number, since it is larger than the sum of its proper divisors (1).

565165422397 is an equidigital number, since it uses as much as digits as its factorization.

565165422397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608000, while the sum is 55.

The spelling of 565165422397 in words is "five hundred sixty-five billion, one hundred sixty-five million, four hundred twenty-two thousand, three hundred ninety-seven".