13445716603 has 4 divisors (see below), whose sum is σ = 14668054488. Its totient is φ = 12223378720.

The previous prime is 13445716601. The next prime is 13445716649. The reversal of 13445716603 is 30661754431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13445716603 - 2¹ = 13445716601 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13445716601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611168926 + ... + 611168947.

It is an arithmetic number, because the mean of its divisors is an integer number (3667013622).

Almost surely, 2^13445716603 is an apocalyptic number.

13445716603 is a deficient number, since it is larger than the sum of its proper divisors (1222337885).

13445716603 is a wasteful number, since it uses less digits than its factorization.

13445716603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222337884.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 13445716603 in words is "thirteen billion, four hundred forty-five million, seven hundred sixteen thousand, six hundred three".