13444442044543 has 4 divisors (see below), whose sum is σ = 13541164649320. Its totient is φ = 13347719439768.

The previous prime is 13444442044541. The next prime is 13444442044573. The reversal of 13444442044543 is 34544024444431.

It is a happy number.

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 13444442044543 - 2¹ = 13444442044541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13444442044493 and 13444442044502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444442044541) 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, 48361302180 + ... + 48361302457.

It is an arithmetic number, because the mean of its divisors is an integer number (3385291162330).

Almost surely, 2^{13444442044543} is an apocalyptic number.

13444442044543 is a deficient number, since it is larger than the sum of its proper divisors (96722604777).

13444442044543 is an equidigital number, since it uses as much as digits as its factorization.

13444442044543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96722604776.

The product of its (nonzero) digits is 5898240, while the sum is 46.

Adding to 13444442044543 its reverse (34544024444431), we get a palindrome (47988466488974).

The spelling of 13444442044543 in words is "thirteen trillion, four hundred forty-four billion, four hundred forty-two million, forty-four thousand, five hundred forty-three".