64336968023 has 2 divisors, whose sum is σ = 64336968024. Its totient is φ = 64336968022.

The previous prime is 64336968013. The next prime is 64336968043. The reversal of 64336968023 is 32086963346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64336968023 - 2¹⁰ = 64336966999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64336968013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32168484011 + 32168484012.

It is an arithmetic number, because the mean of its divisors is an integer number (32168484012).

Almost surely, 2^64336968023 is an apocalyptic number.

64336968023 is a deficient number, since it is larger than the sum of its proper divisors (1).

64336968023 is an equidigital number, since it uses as much as digits as its factorization.

64336968023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 50.

The spelling of 64336968023 in words is "sixty-four billion, three hundred thirty-six million, nine hundred sixty-eight thousand, twenty-three".