13663003603 has 2 divisors, whose sum is σ = 13663003604. Its totient is φ = 13663003602.

The previous prime is 13663003597. The next prime is 13663003633. The reversal of 13663003603 is 30630036631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13663003603 - 2³³ = 5073069011 is a prime.

It is not a weakly prime, because it can be changed into another prime (13663003633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831501801 + 6831501802.

It is an arithmetic number, because the mean of its divisors is an integer number (6831501802).

Almost surely, 2^13663003603 is an apocalyptic number.

13663003603 is a deficient number, since it is larger than the sum of its proper divisors (1).

13663003603 is an equidigital number, since it uses as much as digits as its factorization.

13663003603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

The spelling of 13663003603 in words is "thirteen billion, six hundred sixty-three million, three thousand, six hundred three".