631620271372 has 24 divisors (see below), whose sum is σ = 1111609623600. Its totient is φ = 314017837056.

The previous prime is 631620271361. The next prime is 631620271391. The reversal of 631620271372 is 273172026136.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9671404 + ... + 9736492.

It is an arithmetic number, because the mean of its divisors is an integer number (46317067650).

Almost surely, 2^631620271372 is an apocalyptic number.

It is an amenable number.

631620271372 is a deficient number, since it is larger than the sum of its proper divisors (479989352228).

631620271372 is a wasteful number, since it uses less digits than its factorization.

631620271372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78825 (or 78823 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 631620271372 in words is "six hundred thirty-one billion, six hundred twenty million, two hundred seventy-one thousand, three hundred seventy-two".