2117394368 has 42 divisors (see below), whose sum is σ = 4296223056. Its totient is φ = 1034936704.

The previous prime is 2117394343. The next prime is 2117394373. The reversal of 2117394368 is 8634937112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2523293 + ... + 2524131.

Almost surely, 2^2117394368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117394368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148111528).

2117394368 is an abundant number, since it is smaller than the sum of its proper divisors (2178828688).

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

2117394368 is an frugal number, since it uses more digits than its factorization.

2117394368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 888 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 2117394368 is about 46015.1536778918. The cubic root of 2117394368 is about 1284.1051404734.

The spelling of 2117394368 in words is "two billion, one hundred seventeen million, three hundred ninety-four thousand, three hundred sixty-eight".