2164844912 has 20 divisors (see below), whose sum is σ = 4195110960. Its totient is φ = 1082235648.

The previous prime is 2164844911. The next prime is 2164844959. The reversal of 2164844912 is 2194484612.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2164844912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164844911) 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 3 ways as a sum of consecutive naturals, for example, 164264 + ... + 176952.

It is an arithmetic number, because the mean of its divisors is an integer number (209755548).

Almost surely, 2^2164844912 is an apocalyptic number.

It is an amenable number.

2164844912 is a deficient number, since it is larger than the sum of its proper divisors (2030266048).

2164844912 is a wasteful number, since it uses less digits than its factorization.

2164844912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23360 (or 23354 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 2164844912 is about 46527.8939132216. The cubic root of 2164844912 is about 1293.6265780897.

The spelling of 2164844912 in words is "two billion, one hundred sixty-four million, eight hundred forty-four thousand, nine hundred twelve".