43344344013 has 16 divisors (see below), whose sum is σ = 57967902720. Its totient is φ = 28808572784.

The previous prime is 43344343951. The next prime is 43344344027. The reversal of 43344344013 is 31044344334.

43344344013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43344344013 - 2²⁴ = 43327566797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43344344033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301420 + ... + 3314522.

It is an arithmetic number, because the mean of its divisors is an integer number (3622993920).

Almost surely, 2^43344344013 is an apocalyptic number.

It is an amenable number.

43344344013 is a deficient number, since it is larger than the sum of its proper divisors (14623558707).

43344344013 is a wasteful number, since it uses less digits than its factorization.

43344344013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 43344344013 its reverse (31044344334), we get a palindrome (74388688347).

The spelling of 43344344013 in words is "forty-three billion, three hundred forty-four million, three hundred forty-four thousand, thirteen".