2144321443 has 16 divisors (see below), whose sum is σ = 2401160832. Its totient is φ = 1897992000.

The previous prime is 2144321419. The next prime is 2144321449. The reversal of 2144321443 is 3441234412.

It is a cyclic number.

It is not a de Polignac number, because 2144321443 - 2²⁵ = 2110767011 is a prime.

It is a super-2 number, since 2×2144321443² = 9196228901819204498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144321449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231328 + ... + 240418.

It is an arithmetic number, because the mean of its divisors is an integer number (150072552).

Almost surely, 2^2144321443 is an apocalyptic number.

2144321443 is a deficient number, since it is larger than the sum of its proper divisors (256839389).

2144321443 is a wasteful number, since it uses less digits than its factorization.

2144321443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666.

The product of its digits is 9216, while the sum is 28.

The square root of 2144321443 is about 46306.8185367987. The cubic root of 2144321443 is about 1289.5255838157.

Adding to 2144321443 its reverse (3441234412), we get a palindrome (5585555855).

The spelling of 2144321443 in words is "two billion, one hundred forty-four million, three hundred twenty-one thousand, four hundred forty-three".