2159331384 has 32 divisors (see below), whose sum is σ = 6169518720. Its totient is φ = 616951776.

The previous prime is 2159331341. The next prime is 2159331389. The reversal of 2159331384 is 4831339512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159331389) 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 7 ways as a sum of consecutive naturals, for example, 6426414 + ... + 6426749.

It is an arithmetic number, because the mean of its divisors is an integer number (192797460).

Almost surely, 2^2159331384 is an apocalyptic number.

2159331384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2159331384 is an abundant number, since it is smaller than the sum of its proper divisors (4010187336).

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

2159331384 is a wasteful number, since it uses less digits than its factorization.

2159331384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853179 (or 12853175 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 2159331384 is about 46468.6064348825. The cubic root of 2159331384 is about 1292.5274215967.

The spelling of 2159331384 in words is "two billion, one hundred fifty-nine million, three hundred thirty-one thousand, three hundred eighty-four".