630645088 has 12 divisors (see below), whose sum is σ = 1241582580. Its totient is φ = 315322528.

The previous prime is 630645083. The next prime is 630645091. The reversal of 630645088 is 880546036.

It is a self number, because there is not a number n which added to its sum of digits gives 630645088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630645083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9853798 + ... + 9853861.

It is an arithmetic number, because the mean of its divisors is an integer number (103465215).

Almost surely, 2^630645088 is an apocalyptic number.

It is an amenable number.

630645088 is a deficient number, since it is larger than the sum of its proper divisors (610937492).

630645088 is a wasteful number, since it uses less digits than its factorization.

630645088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19707669 (or 19707661 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 630645088 is about 25112.6479687029. The cubic root of 630645088 is about 857.5543859631.

The spelling of 630645088 in words is "six hundred thirty million, six hundred forty-five thousand, eighty-eight".