5630439618 has 24 divisors (see below), whose sum is σ = 12215346156. Its totient is φ = 1874342400.

The previous prime is 5630439601. The next prime is 5630439631. The reversal of 5630439618 is 8169340365.

5630439618 is a `hidden beast` number, since 5 + 630 + 4 + 3 + 9 + 6 + 1 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5085543969 + 544895649 = 71313^2 + 23343^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191823 + ... + 219218.

Almost surely, 2^5630439618 is an apocalyptic number.

5630439618 is an abundant number, since it is smaller than the sum of its proper divisors (6584906538).

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

5630439618 is a wasteful number, since it uses less digits than its factorization.

5630439618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411810 (or 411807 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 5630439618 is about 75036.2553569939. The cubic root of 5630439618 is about 1779.0197457965.

The spelling of 5630439618 in words is "five billion, six hundred thirty million, four hundred thirty-nine thousand, six hundred eighteen".