2118963984 has 40 divisors (see below), whose sum is σ = 5502376992. Its totient is φ = 702658560.

The previous prime is 2118963971. The next prime is 2118964039. The reversal of 2118963984 is 4893698112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105102 + ... + 123629.

Almost surely, 2^2118963984 is an apocalyptic number.

2118963984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2118963984 is an abundant number, since it is smaller than the sum of its proper divisors (3383413008).

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

2118963984 is a wasteful number, since it uses less digits than its factorization.

2118963984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228935 (or 228929 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 2118963984 is about 46032.2059432307. The cubic root of 2118963984 is about 1284.4223627741.

The spelling of 2118963984 in words is "two billion, one hundred eighteen million, nine hundred sixty-three thousand, nine hundred eighty-four".