564744670038231 has 4 divisors (see below), whose sum is σ = 752992893384312. Its totient is φ = 376496446692152.

The previous prime is 564744670038209. The next prime is 564744670038251. The reversal of 564744670038231 is 132830076447465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564744670038231 - 2⁷ = 564744670038103 is a prime.

It is a super-2 number, since 2×564744670038231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564744670038251) 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 in 3 ways as a sum of consecutive naturals, for example, 94124111673036 + ... + 94124111673041.

It is an arithmetic number, because the mean of its divisors is an integer number (188248223346078).

Almost surely, 2^{564744670038231} is an apocalyptic number.

564744670038231 is a deficient number, since it is larger than the sum of its proper divisors (188248223346081).

564744670038231 is a wasteful number, since it uses less digits than its factorization.

564744670038231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188248223346080.

The product of its (nonzero) digits is 81285120, while the sum is 60.

The spelling of 564744670038231 in words is "five hundred sixty-four trillion, seven hundred forty-four billion, six hundred seventy million, thirty-eight thousand, two hundred thirty-one".