631672542634 has 16 divisors (see below), whose sum is σ = 1112133898368. Its totient is φ = 263400133392.

The previous prime is 631672542583. The next prime is 631672542653. The reversal of 631672542634 is 436245276136.

It is a super-2 number, since 2×631672542634² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609722014 + ... + 609723049.

It is an arithmetic number, because the mean of its divisors is an integer number (69508368648).

Almost surely, 2^631672542634 is an apocalyptic number.

631672542634 is a deficient number, since it is larger than the sum of its proper divisors (480461355734).

631672542634 is a wasteful number, since it uses less digits than its factorization.

631672542634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219445109.

The product of its digits is 4354560, while the sum is 49.

The spelling of 631672542634 in words is "six hundred thirty-one billion, six hundred seventy-two million, five hundred forty-two thousand, six hundred thirty-four".