632647631473 has 16 divisors (see below), whose sum is σ = 743447678400. Its totient is φ = 530752178880.

The previous prime is 632647631453. The next prime is 632647631479. The reversal of 632647631473 is 374136746236.

It is a de Polignac number, because none of the positive numbers 2^k-632647631473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632647631473.

It is not an unprimeable number, because it can be changed into a prime (632647631479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44958 + ... + 1125751.

It is an arithmetic number, because the mean of its divisors is an integer number (46465479900).

Almost surely, 2^632647631473 is an apocalyptic number.

It is an amenable number.

632647631473 is a deficient number, since it is larger than the sum of its proper divisors (110800046927).

632647631473 is a wasteful number, since it uses less digits than its factorization.

632647631473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174512.

The product of its digits is 9144576, while the sum is 52.

It can be divided in two parts, 63264763 and 1473, that added together give a palindrome (63266236).

The spelling of 632647631473 in words is "six hundred thirty-two billion, six hundred forty-seven million, six hundred thirty-one thousand, four hundred seventy-three".