2109873205 has 8 divisors (see below), whose sum is σ = 2762015904. Its totient is φ = 1534453200.

The previous prime is 2109873203. The next prime is 2109873209. The reversal of 2109873205 is 5023789012.

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

It is not a de Polignac number, because 2109873205 - 2¹ = 2109873203 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 (2109873203) 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, 19180611 + ... + 19180720.

It is an arithmetic number, because the mean of its divisors is an integer number (345251988).

Almost surely, 2^2109873205 is an apocalyptic number.

It is an amenable number.

2109873205 is a deficient number, since it is larger than the sum of its proper divisors (652142699).

2109873205 is a wasteful number, since it uses less digits than its factorization.

2109873205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38361347.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2109873205 is about 45933.3561260224. The cubic root of 2109873205 is about 1282.5829201859.

The spelling of 2109873205 in words is "two billion, one hundred nine million, eight hundred seventy-three thousand, two hundred five".