2143104443 has 4 divisors (see below), whose sum is σ = 2143224408. Its totient is φ = 2142984480.

The previous prime is 2143104433. The next prime is 2143104527. The reversal of 2143104443 is 3444013412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143104443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143104413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27221 + ... + 70902.

It is an arithmetic number, because the mean of its divisors is an integer number (535806102).

Almost surely, 2^2143104443 is an apocalyptic number.

2143104443 is a deficient number, since it is larger than the sum of its proper divisors (119965).

2143104443 is an equidigital number, since it uses as much as digits as its factorization.

2143104443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119964.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2143104443 is about 46293.6760583992. The cubic root of 2143104443 is about 1289.2815828323.

Adding to 2143104443 its reverse (3444013412), we get a palindrome (5587117855).

The spelling of 2143104443 in words is "two billion, one hundred forty-three million, one hundred four thousand, four hundred forty-three".