2104442421443 has 4 divisors (see below), whose sum is σ = 2149217792160. Its totient is φ = 2059667050728.

The previous prime is 2104442421397. The next prime is 2104442421451. The reversal of 2104442421443 is 3441242444012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2104442421443 - 2⁸ = 2104442421187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104442421043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22387685288 + ... + 22387685381.

It is an arithmetic number, because the mean of its divisors is an integer number (537304448040).

Almost surely, 2^{2104442421443} is an apocalyptic number.

2104442421443 is a deficient number, since it is larger than the sum of its proper divisors (44775370717).

2104442421443 is an equidigital number, since it uses as much as digits as its factorization.

2104442421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44775370716.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 2104442421443 its reverse (3441242444012), we get a palindrome (5545684865455).

The spelling of 2104442421443 in words is "two trillion, one hundred four billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred forty-three".