472713111621 has 48 divisors (see below), whose sum is σ = 719731428416. Its totient is φ = 309987409536.

The previous prime is 472713111599. The next prime is 472713111671. The reversal of 472713111621 is 126111317274.

472713111621 is a `hidden beast` number, since 4 + 7 + 2 + 7 + 13 + 1 + 11 + 621 = 666.

It is not a de Polignac number, because 472713111621 - 2¹⁵ = 472713078853 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 (472713111671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6580926 + ... + 6652368.

Almost surely, 2^472713111621 is an apocalyptic number.

It is an amenable number.

472713111621 is a deficient number, since it is larger than the sum of its proper divisors (247018316795).

472713111621 is an equidigital number, since it uses as much as digits as its factorization.

472713111621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71904 (or 71892 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

Adding to 472713111621 its reverse (126111317274), we get a palindrome (598824428895).

The spelling of 472713111621 in words is "four hundred seventy-two billion, seven hundred thirteen million, one hundred eleven thousand, six hundred twenty-one".