2117233959 has 4 divisors (see below), whose sum is σ = 2822978616. Its totient is φ = 1411489304.

The previous prime is 2117233949. The next prime is 2117233999. The reversal of 2117233959 is 9593327112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2117233959 - 2¹¹ = 2117231911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2117233959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117233949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352872324 + ... + 352872329.

It is an arithmetic number, because the mean of its divisors is an integer number (705744654).

Almost surely, 2^2117233959 is an apocalyptic number.

2117233959 is a deficient number, since it is larger than the sum of its proper divisors (705744657).

2117233959 is an equidigital number, since it uses as much as digits as its factorization.

2117233959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705744656.

The product of its digits is 102060, while the sum is 42.

The square root of 2117233959 is about 46013.4106429854. The cubic root of 2117233959 is about 1284.0727126891.

The spelling of 2117233959 in words is "two billion, one hundred seventeen million, two hundred thirty-three thousand, nine hundred fifty-nine".