2117705834 has 16 divisors (see below), whose sum is σ = 3187641600. Its totient is φ = 1055165664.

The previous prime is 2117705833. The next prime is 2117705867. The reversal of 2117705834 is 4385077112.

It is a super-3 number, since 3×2117705834³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2117705833) 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, 1203047 + ... + 1204805.

It is an arithmetic number, because the mean of its divisors is an integer number (199227600).

Almost surely, 2^2117705834 is an apocalyptic number.

2117705834 is a deficient number, since it is larger than the sum of its proper divisors (1069935766).

2117705834 is a wasteful number, since it uses less digits than its factorization.

2117705834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 2117705834 is about 46018.5379385308. The cubic root of 2117705834 is about 1284.1681007936.

The spelling of 2117705834 in words is "two billion, one hundred seventeen million, seven hundred five thousand, eight hundred thirty-four".