630818956364 has 24 divisors (see below), whose sum is σ = 1130937300528. Its totient is φ = 307695087360.

The previous prime is 630818956309. The next prime is 630818956393. The reversal of 630818956364 is 463659818036.

It is a super-2 number, since 2×630818956364² (a number of 24 digits) contains 22 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, 2364032 + ... + 2617304.

It is an arithmetic number, because the mean of its divisors is an integer number (47122387522).

Almost surely, 2^630818956364 is an apocalyptic number.

It is an amenable number.

630818956364 is a deficient number, since it is larger than the sum of its proper divisors (500118344164).

630818956364 is a wasteful number, since it uses less digits than its factorization.

630818956364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268505 (or 268503 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 630818956364 in words is "six hundred thirty billion, eight hundred eighteen million, nine hundred fifty-six thousand, three hundred sixty-four".