2109580694 has 24 divisors (see below), whose sum is σ = 3628077480. Its totient is φ = 916376448.

The previous prime is 2109580679. The next prime is 2109580699. The reversal of 2109580694 is 4960859012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109580699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177824 + ... + 189315.

It is an arithmetic number, because the mean of its divisors is an integer number (151169895).

Almost surely, 2^2109580694 is an apocalyptic number.

2109580694 is a deficient number, since it is larger than the sum of its proper divisors (1518496786).

2109580694 is a wasteful number, since it uses less digits than its factorization.

2109580694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367184 (or 367171 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2109580694 is about 45930.1719352323. The cubic root of 2109580694 is about 1282.5236453835.

The spelling of 2109580694 in words is "two billion, one hundred nine million, five hundred eighty thousand, six hundred ninety-four".