2117993056 has 12 divisors (see below), whose sum is σ = 4169798892. Its totient is φ = 1058996512.

The previous prime is 2117993041. The next prime is 2117993069. The reversal of 2117993056 is 6503997112.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33093610 + ... + 33093673.

It is an arithmetic number, because the mean of its divisors is an integer number (347483241).

Almost surely, 2^2117993056 is an apocalyptic number.

It is an amenable number.

2117993056 is a deficient number, since it is larger than the sum of its proper divisors (2051805836).

2117993056 is an equidigital number, since it uses as much as digits as its factorization.

2117993056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66187293 (or 66187285 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 2117993056 is about 46021.6585533377. The cubic root of 2117993056 is about 1284.2261549152.

The spelling of 2117993056 in words is "two billion, one hundred seventeen million, nine hundred ninety-three thousand, fifty-six".