631714917408 has 48 divisors (see below), whose sum is σ = 1755795877920. Its totient is φ = 198185071616.

The previous prime is 631714917401. The next prime is 631714917461. The reversal of 631714917408 is 804719417136.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×631714917408² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (631714917401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193538478 + ... + 193541741.

It is an arithmetic number, because the mean of its divisors is an integer number (36579080790).

Almost surely, 2^631714917408 is an apocalyptic number.

631714917408 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

631714917408 is an abundant number, since it is smaller than the sum of its proper divisors (1124080960512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631714917408 is a wasteful number, since it uses less digits than its factorization.

631714917408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387080249 (or 387080241 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 631714917408 in words is "six hundred thirty-one billion, seven hundred fourteen million, nine hundred seventeen thousand, four hundred eight".