2109133879 has 8 divisors (see below), whose sum is σ = 2202112512. Its totient is φ = 2016261720.

The previous prime is 2109133877. The next prime is 2109133919. The reversal of 2109133879 is 9783319012.

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 2109133879 - 2¹ = 2109133877 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 (2109133877) 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, 15294 + ... + 66724.

It is an arithmetic number, because the mean of its divisors is an integer number (275264064).

Almost surely, 2^2109133879 is an apocalyptic number.

2109133879 is a deficient number, since it is larger than the sum of its proper divisors (92978633).

2109133879 is a wasteful number, since it uses less digits than its factorization.

2109133879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53237.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 2109133879 is about 45925.3076092039. The cubic root of 2109133879 is about 1282.4330916435.

The spelling of 2109133879 in words is "two billion, one hundred nine million, one hundred thirty-three thousand, eight hundred seventy-nine".