13320443603 has 8 divisors (see below), whose sum is σ = 13354906272. Its totient is φ = 13286005056.

The previous prime is 13320443573. The next prime is 13320443621. The reversal of 13320443603 is 30634402331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13320443603 - 2²⁶ = 13253334739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320443683) 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, 1676426 + ... + 1684352.

It is an arithmetic number, because the mean of its divisors is an integer number (1669363284).

Almost surely, 2^13320443603 is an apocalyptic number.

13320443603 is a deficient number, since it is larger than the sum of its proper divisors (34462669).

13320443603 is an equidigital number, since it uses as much as digits as its factorization.

13320443603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12061.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 13320443603 its reverse (30634402331), we get a palindrome (43954845934).

The spelling of 13320443603 in words is "thirteen billion, three hundred twenty million, four hundred forty-three thousand, six hundred three".