631483887839 has 8 divisors (see below), whose sum is σ = 721897999488. Its totient is φ = 541120308120.

The previous prime is 631483887829. The next prime is 631483887857. The reversal of 631483887839 is 938788384136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 631483887839 - 2⁴ = 631483887823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631483887809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12606197 + ... + 12656190.

It is an arithmetic number, because the mean of its divisors is an integer number (90237249936).

Almost surely, 2^631483887839 is an apocalyptic number.

631483887839 is a deficient number, since it is larger than the sum of its proper divisors (90414111649).

631483887839 is a wasteful number, since it uses less digits than its factorization.

631483887839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25265965.

The product of its digits is 167215104, while the sum is 68.

The spelling of 631483887839 in words is "six hundred thirty-one billion, four hundred eighty-three million, eight hundred eighty-seven thousand, eight hundred thirty-nine".