630407274864 has 80 divisors (see below), whose sum is σ = 1769564359680. Its totient is φ = 192654167040.

The previous prime is 630407274859. The next prime is 630407274869. The reversal of 630407274864 is 468472704036.

It is an interprime number because it is at equal distance from previous prime (630407274859) and next prime (630407274869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630407274869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11120697 + ... + 11177240.

It is an arithmetic number, because the mean of its divisors is an integer number (22119554496).

Almost surely, 2^630407274864 is an apocalyptic number.

It is an amenable number.

630407274864 is an abundant number, since it is smaller than the sum of its proper divisors (1139157084816).

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

630407274864 is a wasteful number, since it uses less digits than its factorization.

630407274864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22297998 (or 22297992 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 630407274864 in words is "six hundred thirty billion, four hundred seven million, two hundred seventy-four thousand, eight hundred sixty-four".