468617379021 has 120 divisors (see below), whose sum is σ = 778495398912. Its totient is φ = 280696363200.

The previous prime is 468617379017. The next prime is 468617379047. The reversal of 468617379021 is 120973716864.

468617379021 is a `hidden beast` number, since 468 + 6 + 1 + 73 + 7 + 90 + 21 = 666.

It is not a de Polignac number, because 468617379021 - 2² = 468617379017 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468617379221) 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 119 ways as a sum of consecutive naturals, for example, 323853720 + ... + 323855166.

Almost surely, 2^468617379021 is an apocalyptic number.

It is an amenable number.

468617379021 is a deficient number, since it is larger than the sum of its proper divisors (309878019891).

468617379021 is a wasteful number, since it uses less digits than its factorization.

468617379021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 468617379021 in words is "four hundred sixty-eight billion, six hundred seventeen million, three hundred seventy-nine thousand, twenty-one".