630099688 has 16 divisors (see below), whose sum is σ = 1182874500. Its totient is φ = 314666496.

The previous prime is 630099671. The next prime is 630099689. The reversal of 630099688 is 886990036.

630099688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 627903364 + 2196324 = 25058^2 + 1482^2 .

It is not an unprimeable number, because it can be changed into a prime (630099689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40873 + ... + 54136.

Almost surely, 2^630099688 is an apocalyptic number.

It is an amenable number.

630099688 is a deficient number, since it is larger than the sum of its proper divisors (552774812).

630099688 is a wasteful number, since it uses less digits than its factorization.

630099688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95844 (or 95840 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 630099688 is about 25101.7865499649. The cubic root of 630099688 is about 857.3071021022.

The spelling of 630099688 in words is "six hundred thirty million, ninety-nine thousand, six hundred eighty-eight".