13444004043 has 24 divisors (see below), whose sum is σ = 19563019008. Its totient is φ = 8896372992.

The previous prime is 13444004011. The next prime is 13444004053. The reversal of 13444004043 is 34040044431.

It is not a de Polignac number, because 13444004043 - 2⁵ = 13444004011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13444003998 and 13444004016.

It is not an unprimeable number, because it can be changed into a prime (13444004003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1531555 + ... + 1540307.

It is an arithmetic number, because the mean of its divisors is an integer number (815125792).

Almost surely, 2^13444004043 is an apocalyptic number.

13444004043 is a deficient number, since it is larger than the sum of its proper divisors (6119014965).

13444004043 is a wasteful number, since it uses less digits than its factorization.

13444004043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003 (or 10000 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13444004043 its reverse (34040044431), we get a palindrome (47484048474).

The spelling of 13444004043 in words is "thirteen billion, four hundred forty-four million, four thousand, forty-three".