2118654312 has 16 divisors (see below), whose sum is σ = 5296635840. Its totient is φ = 706218096.

The previous prime is 2118654283. The next prime is 2118654323. The reversal of 2118654312 is 2134568112.

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, 44138608 + ... + 44138655.

It is an arithmetic number, because the mean of its divisors is an integer number (331039740).

Almost surely, 2^2118654312 is an apocalyptic number.

It is an amenable number.

2118654312 is an abundant number, since it is smaller than the sum of its proper divisors (3177981528).

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

2118654312 is a wasteful number, since it uses less digits than its factorization.

2118654312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88277272 (or 88277268 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 2118654312 is about 46028.8421753144. The cubic root of 2118654312 is about 1284.3597898969.

The spelling of 2118654312 in words is "two billion, one hundred eighteen million, six hundred fifty-four thousand, three hundred twelve".