630489630 has 32 divisors (see below), whose sum is σ = 1518778368. Its totient is φ = 167508000.

The previous prime is 630489623. The next prime is 630489649. The reversal of 630489630 is 36984036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30646 + ... + 46905.

It is an arithmetic number, because the mean of its divisors is an integer number (47461824).

Almost surely, 2^630489630 is an apocalyptic number.

630489630 is an abundant number, since it is smaller than the sum of its proper divisors (888288738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630489630 is a wasteful number, since it uses less digits than its factorization.

630489630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77832.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 630489630 is about 25109.5525647113. The cubic root of 630489630 is about 857.4839159804.

The spelling of 630489630 in words is "six hundred thirty million, four hundred eighty-nine thousand, six hundred thirty".