564500331979 has 2 divisors, whose sum is σ = 564500331980. Its totient is φ = 564500331978.

The previous prime is 564500331919. The next prime is 564500332007. The reversal of 564500331979 is 979133005465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564500331979 is a prime.

It is not a weakly prime, because it can be changed into another prime (564500331919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282250165989 + 282250165990.

It is an arithmetic number, because the mean of its divisors is an integer number (282250165990).

Almost surely, 2^564500331979 is an apocalyptic number.

564500331979 is a deficient number, since it is larger than the sum of its proper divisors (1).

564500331979 is an equidigital number, since it uses as much as digits as its factorization.

564500331979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 564500331979 in words is "five hundred sixty-four billion, five hundred million, three hundred thirty-one thousand, nine hundred seventy-nine".