2109368173 has 8 divisors (see below), whose sum is σ = 2301593760. Its totient is φ = 1917220080.

The previous prime is 2109368171. The next prime is 2109368189. The reversal of 2109368173 is 3718639012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2109368173 - 2¹ = 2109368171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109368171) 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, 47643 + ... + 80551.

It is an arithmetic number, because the mean of its divisors is an integer number (287699220).

Almost surely, 2^2109368173 is an apocalyptic number.

It is an amenable number.

2109368173 is a deficient number, since it is larger than the sum of its proper divisors (192225587).

2109368173 is a wasteful number, since it uses less digits than its factorization.

2109368173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38747.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2109368173 is about 45927.8583541623. The cubic root of 2109368173 is about 1282.4805764202.

The spelling of 2109368173 in words is "two billion, one hundred nine million, three hundred sixty-eight thousand, one hundred seventy-three".