564199688910817 has 2 divisors, whose sum is σ = 564199688910818. Its totient is φ = 564199688910816.

The previous prime is 564199688910773. The next prime is 564199688910887. The reversal of 564199688910817 is 718019886991465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540810094344976 + 23389594565841 = 23255324^2 + 4836279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564199688910817 is a prime.

It is not a weakly prime, because it can be changed into another prime (564199688910887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282099844455408 + 282099844455409.

It is an arithmetic number, because the mean of its divisors is an integer number (282099844455409).

Almost surely, 2^{564199688910817} is an apocalyptic number.

It is an amenable number.

564199688910817 is a deficient number, since it is larger than the sum of its proper divisors (1).

564199688910817 is an equidigital number, since it uses as much as digits as its factorization.

564199688910817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1881169920, while the sum is 82.

The spelling of 564199688910817 in words is "five hundred sixty-four trillion, one hundred ninety-nine billion, six hundred eighty-eight million, nine hundred ten thousand, eight hundred seventeen".