2143324444 has 24 divisors (see below), whose sum is σ = 3775641968. Its totient is φ = 1064586240.

The previous prime is 2143324423. The next prime is 2143324459. The reversal of 2143324444 is 4444233412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698674 + ... + 701734.

Almost surely, 2^2143324444 is an apocalyptic number.

It is an amenable number.

2143324444 is a deficient number, since it is larger than the sum of its proper divisors (1632317524).

2143324444 is a wasteful number, since it uses less digits than its factorization.

2143324444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165 (or 4163 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 2143324444 is about 46296.0521427043. The cubic root of 2143324444 is about 1289.3256985128.

Adding to 2143324444 its reverse (4444233412), we get a palindrome (6587557856).

The spelling of 2143324444 in words is "two billion, one hundred forty-three million, three hundred twenty-four thousand, four hundred forty-four".