2184681612 has 12 divisors (see below), whose sum is σ = 5097590456. Its totient is φ = 728227200.

The previous prime is 2184681593. The next prime is 2184681619. The reversal of 2184681612 is 2161864812.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2184681619) 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 in 3 ways as a sum of consecutive naturals, for example, 91028389 + ... + 91028412.

Almost surely, 2^2184681612 is an apocalyptic number.

It is an amenable number.

2184681612 is an abundant number, since it is smaller than the sum of its proper divisors (2912908844).

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

2184681612 is a wasteful number, since it uses less digits than its factorization.

2184681612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182056808 (or 182056806 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 2184681612 is about 46740.5777884698. The cubic root of 2184681612 is about 1297.5657825061.

The spelling of 2184681612 in words is "two billion, one hundred eighty-four million, six hundred eighty-one thousand, six hundred twelve".