459545731868 has 48 divisors (see below), whose sum is σ = 828084999168. Its totient is φ = 223064280000.

The previous prime is 459545731837. The next prime is 459545731919. The reversal of 459545731868 is 868137545954.

It is a super-2 number, since 2×459545731868² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7042793 + ... + 7107743.

It is an arithmetic number, because the mean of its divisors is an integer number (17251770816).

Almost surely, 2^459545731868 is an apocalyptic number.

It is an amenable number.

459545731868 is a deficient number, since it is larger than the sum of its proper divisors (368539267300).

459545731868 is a wasteful number, since it uses less digits than its factorization.

459545731868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65394 (or 65392 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 65.

The spelling of 459545731868 in words is "four hundred fifty-nine billion, five hundred forty-five million, seven hundred thirty-one thousand, eight hundred sixty-eight".