630656361 has 40 divisors (see below), whose sum is σ = 1020802464. Its totient is φ = 386467200.

The previous prime is 630656339. The next prime is 630656363. The reversal of 630656361 is 163656036.

It is a happy number.

630656361 is a `hidden beast` number, since 6 + 30 + 6 + 563 + 61 = 666.

630656361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630656361 - 2¹³ = 630648169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630656363) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53886 + ... + 64536.

Almost surely, 2^630656361 is an apocalyptic number.

It is an amenable number.

630656361 is a deficient number, since it is larger than the sum of its proper divisors (390146103).

630656361 is a wasteful number, since it uses less digits than its factorization.

630656361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723 (or 10714 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 630656361 is about 25112.8724163525. The cubic root of 630656361 is about 857.5594956269.

The spelling of 630656361 in words is "six hundred thirty million, six hundred fifty-six thousand, three hundred sixty-one".