2129183444 has 12 divisors (see below), whose sum is σ = 3727209024. Its totient is φ = 1064266584.

The previous prime is 2129183383. The next prime is 2129183489. The reversal of 2129183444 is 4443819212.

It is a super-2 number, since 2×2129183444² = 9066844276407402272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2129183398 and 2129183407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66242 + ... + 92985.

It is an arithmetic number, because the mean of its divisors is an integer number (310600752).

Almost surely, 2^2129183444 is an apocalyptic number.

It is an amenable number.

2129183444 is a deficient number, since it is larger than the sum of its proper divisors (1598025580).

2129183444 is a wasteful number, since it uses less digits than its factorization.

2129183444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162574 (or 162572 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 2129183444 is about 46143.0757969167. The cubic root of 2129183444 is about 1286.4839138662.

The spelling of 2129183444 in words is "two billion, one hundred twenty-nine million, one hundred eighty-three thousand, four hundred forty-four".