2173297994 has 16 divisors (see below), whose sum is σ = 3741118656. Its totient is φ = 927547200.

The previous prime is 2173297967. The next prime is 2173298047. The reversal of 2173297994 is 4997923712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318692 + ... + 325439.

It is an arithmetic number, because the mean of its divisors is an integer number (233819916).

Almost surely, 2^2173297994 is an apocalyptic number.

2173297994 is a deficient number, since it is larger than the sum of its proper divisors (1567820662).

2173297994 is a wasteful number, since it uses less digits than its factorization.

2173297994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644381.

The product of its digits is 1714608, while the sum is 53.

The square root of 2173297994 is about 46618.6442745818. The cubic root of 2173297994 is about 1295.3081349614.

The spelling of 2173297994 in words is "two billion, one hundred seventy-three million, two hundred ninety-seven thousand, nine hundred ninety-four".