2118599884 has 24 divisors (see below), whose sum is σ = 3726732240. Its totient is φ = 1053831744.

The previous prime is 2118599881. The next prime is 2118599927. The reversal of 2118599884 is 4889958112.

It is not an unprimeable number, because it can be changed into a prime (2118599881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250542 + ... + 1252234.

It is an arithmetic number, because the mean of its divisors is an integer number (155280510).

Almost surely, 2^2118599884 is an apocalyptic number.

It is an amenable number.

2118599884 is a deficient number, since it is larger than the sum of its proper divisors (1608132356).

2118599884 is a wasteful number, since it uses less digits than its factorization.

2118599884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129 (or 3127 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 55.

The square root of 2118599884 is about 46028.2509335299. The cubic root of 2118599884 is about 1284.3487914480.

The spelling of 2118599884 in words is "two billion, one hundred eighteen million, five hundred ninety-nine thousand, eight hundred eighty-four".