13443252603 has 16 divisors (see below), whose sum is σ = 19556629632. Its totient is φ = 8146256000.

The previous prime is 13443252593. The next prime is 13443252631. The reversal of 13443252603 is 30625234431.

It is a happy number.

13443252603 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 13443252603 - 2⁶ = 13443252539 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is not an unprimeable number, because it can be changed into a prime (13443252643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241468 + ... + 291878.

It is an arithmetic number, because the mean of its divisors is an integer number (1222289352).

Almost surely, 2^13443252603 is an apocalyptic number.

13443252603 is a deficient number, since it is larger than the sum of its proper divisors (6113377029).

13443252603 is a wasteful number, since it uses less digits than its factorization.

13443252603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58506.

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

The spelling of 13443252603 in words is "thirteen billion, four hundred forty-three million, two hundred fifty-two thousand, six hundred three".