2182893957 has 6 divisors (see below), whose sum is σ = 3153069062. Its totient is φ = 1455262632.

The previous prime is 2182893953. The next prime is 2182893989. The reversal of 2182893957 is 7593982812.

It can be written as a sum of positive squares in only one way, i.e., 1632240801 + 550653156 = 40401^2 + 23466^2 .

It is not a de Polignac number, because 2182893957 - 2² = 2182893953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182893953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121271878 + ... + 121271895.

Almost surely, 2^2182893957 is an apocalyptic number.

It is an amenable number.

2182893957 is a deficient number, since it is larger than the sum of its proper divisors (970175105).

2182893957 is a wasteful number, since it uses less digits than its factorization.

2182893957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242543779 (or 242543776 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 2182893957 is about 46721.4507159185. The cubic root of 2182893957 is about 1297.2117670867.

The spelling of 2182893957 in words is "two billion, one hundred eighty-two million, eight hundred ninety-three thousand, nine hundred fifty-seven".