631725716488 has 32 divisors (see below), whose sum is σ = 1254343449600. Its totient is φ = 297239525632.

The previous prime is 631725716467. The next prime is 631725716491. The reversal of 631725716488 is 884617527136.

It is a super-3 number, since 3×631725716488³ (a number of 36 digits) contains 333 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, 612681 + ... + 1280167.

It is an arithmetic number, because the mean of its divisors is an integer number (39198232800).

Almost surely, 2^631725716488 is an apocalyptic number.

631725716488 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

631725716488 is a deficient number, since it is larger than the sum of its proper divisors (622617733112).

631725716488 is a wasteful number, since it uses less digits than its factorization.

631725716488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674469 (or 674465 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 58.

The spelling of 631725716488 in words is "six hundred thirty-one billion, seven hundred twenty-five million, seven hundred sixteen thousand, four hundred eighty-eight".