2183959493 has 2 divisors, whose sum is σ = 2183959494. Its totient is φ = 2183959492.

The previous prime is 2183959441. The next prime is 2183959501. The reversal of 2183959493 is 3949593812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243126564 + 940832929 = 35258^2 + 30673^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183959493 - 2⁶ = 2183959429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2183959793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091979746 + 1091979747.

It is an arithmetic number, because the mean of its divisors is an integer number (1091979747).

Almost surely, 2^2183959493 is an apocalyptic number.

It is an amenable number.

2183959493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2183959493 is an equidigital number, since it uses as much as digits as its factorization.

2183959493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 2183959493 is about 46732.8523952904. The cubic root of 2183959493 is about 1297.4228020741.

The spelling of 2183959493 in words is "two billion, one hundred eighty-three million, nine hundred fifty-nine thousand, four hundred ninety-three".