2318439616 has 14 divisors (see below), whose sum is σ = 4600653740. Its totient is φ = 1159219776.

The previous prime is 2318439601. The next prime is 2318439619. The reversal of 2318439616 is 6169348132.

It is not an unprimeable number, because it can be changed into a prime (2318439619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18112746 + ... + 18112873.

Almost surely, 2^2318439616 is an apocalyptic number.

It is an amenable number.

2318439616 is a deficient number, since it is larger than the sum of its proper divisors (2282214124).

2318439616 is an equidigital number, since it uses as much as digits as its factorization.

2318439616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225631 (or 36225621 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 2318439616 is about 48150.1777359129. The cubic root of 2318439616 is about 1323.5243314608.

The spelling of 2318439616 in words is "two billion, three hundred eighteen million, four hundred thirty-nine thousand, six hundred sixteen".