2117892594 has 16 divisors (see below), whose sum is σ = 4283379360. Its totient is φ = 698031840.

The previous prime is 2117892587. The next prime is 2117892599. The reversal of 2117892594 is 4952987112.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2117892599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982512 + ... + 1983579.

It is an arithmetic number, because the mean of its divisors is an integer number (267711210).

Almost surely, 2^2117892594 is an apocalyptic number.

2117892594 is an abundant number, since it is smaller than the sum of its proper divisors (2165486766).

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

2117892594 is a wasteful number, since it uses less digits than its factorization.

2117892594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966185.

The product of its digits is 362880, while the sum is 48.

The square root of 2117892594 is about 46020.5670760368. The cubic root of 2117892594 is about 1284.2058498490.

The spelling of 2117892594 in words is "two billion, one hundred seventeen million, eight hundred ninety-two thousand, five hundred ninety-four".