2389888018 has 8 divisors (see below), whose sum is σ = 4096950912. Its totient is φ = 1024237716.

The previous prime is 2389888009. The next prime is 2389888063. The reversal of 2389888018 is 8108889832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2389888018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85353130 + ... + 85353157.

It is an arithmetic number, because the mean of its divisors is an integer number (512118864).

Almost surely, 2^2389888018 is an apocalyptic number.

2389888018 is a deficient number, since it is larger than the sum of its proper divisors (1707062894).

2389888018 is a wasteful number, since it uses less digits than its factorization.

2389888018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170706296.

The product of its (nonzero) digits is 1769472, while the sum is 55.

The square root of 2389888018 is about 48886.4809328714. The cubic root of 2389888018 is about 1336.9828936815.

The spelling of 2389888018 in words is "two billion, three hundred eighty-nine million, eight hundred eighty-eight thousand, eighteen".