13043506344 has 32 divisors (see below), whose sum is σ = 35573199840. Its totient is φ = 3952577600.

The previous prime is 13043506331. The next prime is 13043506391. The reversal of 13043506344 is 44360534031.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24703347 + ... + 24703874.

It is an arithmetic number, because the mean of its divisors is an integer number (1111662495).

Almost surely, 2^13043506344 is an apocalyptic number.

It is an amenable number.

13043506344 is an abundant number, since it is smaller than the sum of its proper divisors (22529693496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13043506344 is a wasteful number, since it uses less digits than its factorization.

13043506344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49407241 (or 49407237 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 13043506344 in words is "thirteen billion, forty-three million, five hundred six thousand, three hundred forty-four".