460804256639 has 4 divisors (see below), whose sum is σ = 460911850056. Its totient is φ = 460696663224.

The previous prime is 460804256611. The next prime is 460804256657. The reversal of 460804256639 is 936652408064.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-460804256639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460804252639) 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, 53790284 + ... + 53798849.

It is an arithmetic number, because the mean of its divisors is an integer number (115227962514).

Almost surely, 2^460804256639 is an apocalyptic number.

460804256639 is a deficient number, since it is larger than the sum of its proper divisors (107593417).

460804256639 is a wasteful number, since it uses less digits than its factorization.

460804256639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107593416.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 460804256639 in words is "four hundred sixty billion, eight hundred four million, two hundred fifty-six thousand, six hundred thirty-nine".