1444113021443 has 4 divisors (see below), whose sum is σ = 1520118969960. Its totient is φ = 1368107072928.

The previous prime is 1444113021397. The next prime is 1444113021467. The reversal of 1444113021443 is 3441203114441.

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 1444113021443 - 2⁸ = 1444113021187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444113021473) 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, 38002974230 + ... + 38002974267.

It is an arithmetic number, because the mean of its divisors is an integer number (380029742490).

Almost surely, 2^{1444113021443} is an apocalyptic number.

1444113021443 is a deficient number, since it is larger than the sum of its proper divisors (76005948517).

1444113021443 is an equidigital number, since it uses as much as digits as its factorization.

1444113021443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76005948516.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 1444113021443 its reverse (3441203114441), we get a palindrome (4885316135884).

The spelling of 1444113021443 in words is "one trillion, four hundred forty-four billion, one hundred thirteen million, twenty-one thousand, four hundred forty-three".