464660642623 has 2 divisors, whose sum is σ = 464660642624. Its totient is φ = 464660642622.

The previous prime is 464660642599. The next prime is 464660642627. The reversal of 464660642623 is 326246066464.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464660642623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464660642627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232330321311 + 232330321312.

It is an arithmetic number, because the mean of its divisors is an integer number (232330321312).

Almost surely, 2^464660642623 is an apocalyptic number.

464660642623 is a deficient number, since it is larger than the sum of its proper divisors (1).

464660642623 is an equidigital number, since it uses as much as digits as its factorization.

464660642623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 49.

The spelling of 464660642623 in words is "four hundred sixty-four billion, six hundred sixty million, six hundred forty-two thousand, six hundred twenty-three".