13003443044 has 24 divisors (see below), whose sum is σ = 23004709728. Its totient is φ = 6430993920.

The previous prime is 13003443043. The next prime is 13003443049. The reversal of 13003443044 is 44034430031.

It is not an unprimeable number, because it can be changed into a prime (13003443043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120452 + ... + 201284.

It is an arithmetic number, because the mean of its divisors is an integer number (958529572).

Almost surely, 2^13003443044 is an apocalyptic number.

It is an amenable number.

13003443044 is a deficient number, since it is larger than the sum of its proper divisors (10001266684).

13003443044 is a wasteful number, since it uses less digits than its factorization.

13003443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81275 (or 81273 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13003443044 its reverse (44034430031), we get a palindrome (57037873075).

The spelling of 13003443044 in words is "thirteen billion, three million, four hundred forty-three thousand, forty-four".