630902958436 has 27 divisors (see below), whose sum is σ = 1108509746617. Its totient is φ = 314190934640.

The previous prime is 630902958421. The next prime is 630902958451. The reversal of 630902958436 is 634859209036.

The square root of 630902958436 is 794294.

It is a perfect power (a square), and thus also a powerful number.

630902958436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630902958421) and next prime (630902958451).

It can be written as a sum of positive squares in only one way, i.e., 414439812900 + 216463145536 = 643770^2 + 465256^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 494050230 + ... + 494051506.

Almost surely, 2^630902958436 is an apocalyptic number.

630902958436 is the 794294-th square number.

It is an amenable number.

630902958436 is a deficient number, since it is larger than the sum of its proper divisors (477606788181).

630902958436 is an frugal number, since it uses more digits than its factorization.

630902958436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 630902958436 in words is "six hundred thirty billion, nine hundred two million, nine hundred fifty-eight thousand, four hundred thirty-six".