2162823379 has 4 divisors (see below), whose sum is σ = 2188881576. Its totient is φ = 2136765184.

The previous prime is 2162823361. The next prime is 2162823389. The reversal of 2162823379 is 9733282612.

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

It is a cyclic number.

It is not a de Polignac number, because 2162823379 - 2⁵ = 2162823347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162823319) 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, 13028974 + ... + 13029139.

It is an arithmetic number, because the mean of its divisors is an integer number (547220394).

Almost surely, 2^2162823379 is an apocalyptic number.

2162823379 is a deficient number, since it is larger than the sum of its proper divisors (26058197).

2162823379 is an equidigital number, since it uses as much as digits as its factorization.

2162823379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26058196.

The product of its digits is 217728, while the sum is 43.

The square root of 2162823379 is about 46506.1649569173. The cubic root of 2162823379 is about 1293.2237896926.

The spelling of 2162823379 in words is "two billion, one hundred sixty-two million, eight hundred twenty-three thousand, three hundred seventy-nine".