2118107379 has 4 divisors (see below), whose sum is σ = 2824143176. Its totient is φ = 1412071584.

The previous prime is 2118107377. The next prime is 2118107413. The reversal of 2118107379 is 9737018112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2118107379 - 2¹ = 2118107377 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2118107371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353017894 + ... + 353017899.

It is an arithmetic number, because the mean of its divisors is an integer number (706035794).

Almost surely, 2^2118107379 is an apocalyptic number.

2118107379 is a deficient number, since it is larger than the sum of its proper divisors (706035797).

2118107379 is an equidigital number, since it uses as much as digits as its factorization.

2118107379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706035796.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 2118107379 is about 46022.9005930743. The cubic root of 2118107379 is about 1284.2492607425.

The spelling of 2118107379 in words is "two billion, one hundred eighteen million, one hundred seven thousand, three hundred seventy-nine".