2117516434 has 16 divisors (see below), whose sum is σ = 3465768096. Its totient is φ = 962301600.

The previous prime is 2117516419. The next prime is 2117516477. The reversal of 2117516434 is 4346157112.

It is a self number, because there is not a number n which added to its sum of digits gives 2117516434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151189 + ... + 164599.

It is an arithmetic number, because the mean of its divisors is an integer number (216610506).

Almost surely, 2^2117516434 is an apocalyptic number.

2117516434 is a deficient number, since it is larger than the sum of its proper divisors (1348251662).

2117516434 is a wasteful number, since it uses less digits than its factorization.

2117516434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20601.

The product of its digits is 20160, while the sum is 34.

The square root of 2117516434 is about 46016.4800261819. The cubic root of 2117516434 is about 1284.1298158588.

The spelling of 2117516434 in words is "two billion, one hundred seventeen million, five hundred sixteen thousand, four hundred thirty-four".