472547632491 has 48 divisors (see below), whose sum is σ = 748362955392. Its totient is φ = 284954928000.

The previous prime is 472547632489. The next prime is 472547632499. The reversal of 472547632491 is 194236745274.

472547632491 is a `hidden beast` number, since 4 + 7 + 2 + 54 + 76 + 32 + 491 = 666.

It is not a de Polignac number, because 472547632491 - 2¹ = 472547632489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472547632499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35124316 + ... + 35137766.

It is an arithmetic number, because the mean of its divisors is an integer number (15590894904).

Almost surely, 2^472547632491 is an apocalyptic number.

472547632491 is a deficient number, since it is larger than the sum of its proper divisors (275815322901).

472547632491 is a wasteful number, since it uses less digits than its factorization.

472547632491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15224 (or 15221 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 472547632491 in words is "four hundred seventy-two billion, five hundred forty-seven million, six hundred thirty-two thousand, four hundred ninety-one".