2109804835 has 8 divisors (see below), whose sum is σ = 2641842720. Its totient is φ = 1614459264.

The previous prime is 2109804833. The next prime is 2109804841. The reversal of 2109804835 is 5384089012.

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 2109804835 - 2¹ = 2109804833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2109804833) 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, 9172950 + ... + 9173179.

It is an arithmetic number, because the mean of its divisors is an integer number (330230340).

Almost surely, 2^2109804835 is an apocalyptic number.

2109804835 is a deficient number, since it is larger than the sum of its proper divisors (532037885).

2109804835 is a wasteful number, since it uses less digits than its factorization.

2109804835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18346157.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2109804835 is about 45932.6118895932. The cubic root of 2109804835 is about 1282.5690660925.

The spelling of 2109804835 in words is "two billion, one hundred nine million, eight hundred four thousand, eight hundred thirty-five".