472772367181631 has 8 divisors (see below), whose sum is σ = 516260806246224. Its totient is φ = 429368783609920.

The previous prime is 472772367181571. The next prime is 472772367181637. The reversal of 472772367181631 is 136181763277274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 472772367181631 - 2³⁰ = 472771293439807 is a prime.

It is a super-2 number, since 2×472772367181631² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472772367181637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21213861566 + ... + 21213883851.

It is an arithmetic number, because the mean of its divisors is an integer number (64532600780778).

Almost surely, 2^{472772367181631} is an apocalyptic number.

472772367181631 is a deficient number, since it is larger than the sum of its proper divisors (43488439064593).

472772367181631 is a wasteful number, since it uses less digits than its factorization.

472772367181631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42427746441.

The product of its digits is 99574272, while the sum is 65.

The spelling of 472772367181631 in words is "four hundred seventy-two trillion, seven hundred seventy-two billion, three hundred sixty-seven million, one hundred eighty-one thousand, six hundred thirty-one".