631429403432 has 16 divisors (see below), whose sum is σ = 1184248533600. Its totient is φ = 315629794480.

The previous prime is 631429403401. The next prime is 631429403441. The reversal of 631429403432 is 234304924136.

It is a self number, because there is not a number n which added to its sum of digits gives 631429403432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10581794 + ... + 10641297.

It is an arithmetic number, because the mean of its divisors is an integer number (74015533350).

Almost surely, 2^631429403432 is an apocalyptic number.

It is an amenable number.

631429403432 is a deficient number, since it is larger than the sum of its proper divisors (552819130168).

631429403432 is a wasteful number, since it uses less digits than its factorization.

631429403432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226816 (or 21226812 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 631429403432 in words is "six hundred thirty-one billion, four hundred twenty-nine million, four hundred three thousand, four hundred thirty-two".