564744670038251 has 2 divisors, whose sum is σ = 564744670038252. Its totient is φ = 564744670038250.

The previous prime is 564744670038209. The next prime is 564744670038253. The reversal of 564744670038251 is 152830076447465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564744670038251 - 2²² = 564744665843947 is a prime.

It is a super-2 number, since 2×564744670038251² (a number of 30 digits) contains 22 as substring.

Together with 564744670038253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (564744670038253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282372335019125 + 282372335019126.

It is an arithmetic number, because the mean of its divisors is an integer number (282372335019126).

Almost surely, 2^{564744670038251} is an apocalyptic number.

564744670038251 is a deficient number, since it is larger than the sum of its proper divisors (1).

564744670038251 is an equidigital number, since it uses as much as digits as its factorization.

564744670038251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135475200, while the sum is 62.

The spelling of 564744670038251 in words is "five hundred sixty-four trillion, seven hundred forty-four billion, six hundred seventy million, thirty-eight thousand, two hundred fifty-one".