632638875125 has 16 divisors (see below), whose sum is σ = 816758607600. Its totient is φ = 488658990400.

The previous prime is 632638875101. The next prime is 632638875179. The reversal of 632638875125 is 521578836236.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 41965161316 + 590673713809 = 204854^2 + 768553^2 .

It is not a de Polignac number, because 632638875125 - 2⁸ = 632638874869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87256910 + ... + 87264159.

It is an arithmetic number, because the mean of its divisors is an integer number (51047412975).

Almost surely, 2^632638875125 is an apocalyptic number.

It is an amenable number.

632638875125 is a deficient number, since it is larger than the sum of its proper divisors (184119732475).

632638875125 is a wasteful number, since it uses less digits than its factorization.

632638875125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174521113 (or 174521103 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 56.

The spelling of 632638875125 in words is "six hundred thirty-two billion, six hundred thirty-eight million, eight hundred seventy-five thousand, one hundred twenty-five".