2121182944 has 24 divisors (see below), whose sum is σ = 4264934688. Its totient is φ = 1038024960.

The previous prime is 2121182909. The next prime is 2121182963. The reversal of 2121182944 is 4492811212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703677 + ... + 706684.

It is an arithmetic number, because the mean of its divisors is an integer number (177705612).

Almost surely, 2^2121182944 is an apocalyptic number.

It is an amenable number.

2121182944 is an abundant number, since it is smaller than the sum of its proper divisors (2143751744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121182944 is a wasteful number, since it uses less digits than its factorization.

2121182944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410418 (or 1410410 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 2121182944 is about 46056.3018923578. The cubic root of 2121182944 is about 1284.8705515409.

The spelling of 2121182944 in words is "two billion, one hundred twenty-one million, one hundred eighty-two thousand, nine hundred forty-four".