2142764179 has 2 divisors, whose sum is σ = 2142764180. Its totient is φ = 2142764178.

The previous prime is 2142764177. The next prime is 2142764207. The reversal of 2142764179 is 9714672412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142764179 - 2¹ = 2142764177 is a prime.

Together with 2142764177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2142764171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071382089 + 1071382090.

It is an arithmetic number, because the mean of its divisors is an integer number (1071382090).

Almost surely, 2^2142764179 is an apocalyptic number.

2142764179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142764179 is an equidigital number, since it uses as much as digits as its factorization.

2142764179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 2142764179 is about 46290.0008533160. Note that the first 3 decimals coincide. The cubic root of 2142764179 is about 1289.2133454786.

The spelling of 2142764179 in words is "two billion, one hundred forty-two million, seven hundred sixty-four thousand, one hundred seventy-nine".