2117598912 has 336 divisors, whose sum is σ = 7295887872. Its totient is φ = 578672640.

The previous prime is 2117598907. The next prime is 2117598929. The reversal of 2117598912 is 2198957112.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3871023 + ... + 3871569.

It is an arithmetic number, because the mean of its divisors is an integer number (21713952).

Almost surely, 2^2117598912 is an apocalyptic number.

2117598912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117598912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3647943936).

2117598912 is an abundant number, since it is smaller than the sum of its proper divisors (5178288960).

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

2117598912 is a wasteful number, since it uses less digits than its factorization.

2117598912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 623 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 2117598912 is about 46017.3761963891. The cubic root of 2117598912 is about 1284.1464880763.

The spelling of 2117598912 in words is "two billion, one hundred seventeen million, five hundred ninety-eight thousand, nine hundred twelve".