13043303643 has 8 divisors (see below), whose sum is σ = 17391616000. Its totient is φ = 8695263528.

The previous prime is 13043303627. The next prime is 13043303681. The reversal of 13043303643 is 34630334031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13043303643 - 2⁴ = 13043303627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13043303643.

It is not an unprimeable number, because it can be changed into a prime (13043303743) 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, 111138 + ... + 196056.

It is an arithmetic number, because the mean of its divisors is an integer number (2173952000).

Almost surely, 2^13043303643 is an apocalyptic number.

13043303643 is a deficient number, since it is larger than the sum of its proper divisors (4348312357).

13043303643 is an equidigital number, since it uses as much as digits as its factorization.

13043303643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136121.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 13043303643 its reverse (34630334031), we get a palindrome (47673637674).

The spelling of 13043303643 in words is "thirteen billion, forty-three million, three hundred three thousand, six hundred forty-three".