2173935189 has 16 divisors (see below), whose sum is σ = 2915886528. Its totient is φ = 1440657792.

The previous prime is 2173935187. The next prime is 2173935199. The reversal of 2173935189 is 9815393712.

It is not a de Polignac number, because 2173935189 - 2¹ = 2173935187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173935187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513409 + ... + 517625.

It is an arithmetic number, because the mean of its divisors is an integer number (182242908).

Almost surely, 2^2173935189 is an apocalyptic number.

It is an amenable number.

2173935189 is a deficient number, since it is larger than the sum of its proper divisors (741951339).

2173935189 is a wasteful number, since it uses less digits than its factorization.

2173935189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204.

The product of its digits is 408240, while the sum is 48.

The square root of 2173935189 is about 46625.4778956742. The cubic root of 2173935189 is about 1295.4347142001.

The spelling of 2173935189 in words is "two billion, one hundred seventy-three million, nine hundred thirty-five thousand, one hundred eighty-nine".