631645425462 has 32 divisors (see below), whose sum is σ = 1265230061568. Its totient is φ = 210225508416.

The previous prime is 631645425451. The next prime is 631645425473. The reversal of 631645425462 is 264524546136.

It is an interprime number because it is at equal distance from previous prime (631645425451) and next prime (631645425473).

It is a super-3 number, since 3×631645425462³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11271003 + ... + 11326905.

It is an arithmetic number, because the mean of its divisors is an integer number (39538439424).

Almost surely, 2^631645425462 is an apocalyptic number.

631645425462 is an abundant number, since it is smaller than the sum of its proper divisors (633584636106).

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

631645425462 is a wasteful number, since it uses less digits than its factorization.

631645425462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58764.

The product of its digits is 4147200, while the sum is 48.

The spelling of 631645425462 in words is "six hundred thirty-one billion, six hundred forty-five million, four hundred twenty-five thousand, four hundred sixty-two".