631572630326454 has 16 divisors (see below), whose sum is σ = 1263160425643200. Its totient is φ = 210521682610440.

The previous prime is 631572630326419. The next prime is 631572630326471. The reversal of 631572630326454 is 454623036275136.

It is a super-2 number, since 2×631572630326454² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 631572630326394 and 631572630326403.

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, 631333152 + ... + 632332739.

It is an arithmetic number, because the mean of its divisors is an integer number (78947526602700).

Almost surely, 2^{631572630326454} is an apocalyptic number.

631572630326454 is an abundant number, since it is smaller than the sum of its proper divisors (631587795316746).

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

631572630326454 is a wasteful number, since it uses less digits than its factorization.

631572630326454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263749195.

The product of its (nonzero) digits is 65318400, while the sum is 57.

The spelling of 631572630326454 in words is "six hundred thirty-one trillion, five hundred seventy-two billion, six hundred thirty million, three hundred twenty-six thousand, four hundred fifty-four".