631489172006 has 16 divisors (see below), whose sum is σ = 1180966763520. Its totient is φ = 246034742280.

The previous prime is 631489171967. The next prime is 631489172021. The reversal of 631489172006 is 600271984136.

It is a congruent number.

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, 2050289366 + ... + 2050289673.

It is an arithmetic number, because the mean of its divisors is an integer number (73810422720).

Almost surely, 2^631489172006 is an apocalyptic number.

631489172006 is a deficient number, since it is larger than the sum of its proper divisors (549477591514).

631489172006 is a wasteful number, since it uses less digits than its factorization.

631489172006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100579059.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 631489172006 in words is "six hundred thirty-one billion, four hundred eighty-nine million, one hundred seventy-two thousand, six".