472139896761 has 16 divisors (see below), whose sum is σ = 753271630720. Its totient is φ = 290547628560.

The previous prime is 472139896691. The next prime is 472139896817. The reversal of 472139896761 is 167698931274.

472139896761 is a `hidden beast` number, since 472 + 1 + 3 + 9 + 8 + 96 + 76 + 1 = 666.

It is not a de Polignac number, because 472139896761 - 2¹³ = 472139888569 is a prime.

It is a super-2 number, since 2×472139896761² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472139856761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672563605 + ... + 672564306.

It is an arithmetic number, because the mean of its divisors is an integer number (47079476920).

Almost surely, 2^472139896761 is an apocalyptic number.

It is an amenable number.

472139896761 is a deficient number, since it is larger than the sum of its proper divisors (281131733959).

472139896761 is a wasteful number, since it uses less digits than its factorization.

472139896761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345127933 (or 1345127927 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

It can be divided in two parts, 472139 and 896761, that added together give a square (1368900 = 1170²).

The spelling of 472139896761 in words is "four hundred seventy-two billion, one hundred thirty-nine million, eight hundred ninety-six thousand, seven hundred sixty-one".