630564650 has 24 divisors (see below), whose sum is σ = 1173606060. Its totient is φ = 252063360.

The previous prime is 630564631. The next prime is 630564653. The reversal of 630564650 is 56465036.

630564650 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 6 ways, for example, as 259886641 + 370678009 = 16121^2 + 19253^2 .

It is a super-2 number, since 2×630564650² = 795223555659245000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630564650.

It is not an unprimeable number, because it can be changed into a prime (630564653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101432 + ... + 107468.

Almost surely, 2^630564650 is an apocalyptic number.

630564650 is a deficient number, since it is larger than the sum of its proper divisors (543041410).

630564650 is a wasteful number, since it uses less digits than its factorization.

630564650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138 (or 8133 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 630564650 is about 25111.0463740562. The cubic root of 630564650 is about 857.5179244129.

The spelling of 630564650 in words is "six hundred thirty million, five hundred sixty-four thousand, six hundred fifty".