2121594179 has 2 divisors, whose sum is σ = 2121594180. Its totient is φ = 2121594178.

The previous prime is 2121594161. The next prime is 2121594191. The reversal of 2121594179 is 9714951212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121594179 - 2⁸ = 2121593923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121594199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060797089 + 1060797090.

It is an arithmetic number, because the mean of its divisors is an integer number (1060797090).

Almost surely, 2^2121594179 is an apocalyptic number.

2121594179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121594179 is an equidigital number, since it uses as much as digits as its factorization.

2121594179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 41.

The square root of 2121594179 is about 46060.7661573274. The cubic root of 2121594179 is about 1284.9535790485.

The spelling of 2121594179 in words is "two billion, one hundred twenty-one million, five hundred ninety-four thousand, one hundred seventy-nine".