2149111384 has 24 divisors (see below), whose sum is σ = 4687475940. Its totient is φ = 921047568.

The previous prime is 2149111379. The next prime is 2149111409. The reversal of 2149111384 is 4831119412.

It is a congruent number.

It is an unprimeable number.

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, 2740822 + ... + 2741605.

Almost surely, 2^2149111384 is an apocalyptic number.

It is an amenable number.

2149111384 is an abundant number, since it is smaller than the sum of its proper divisors (2538364556).

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

2149111384 is a wasteful number, since it uses less digits than its factorization.

2149111384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482447 (or 5482436 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 2149111384 is about 46358.5092944111. The cubic root of 2149111384 is about 1290.4850416459.

The spelling of 2149111384 in words is "two billion, one hundred forty-nine million, one hundred eleven thousand, three hundred eighty-four".