12663436303 has 4 divisors (see below), whose sum is σ = 14472498640. Its totient is φ = 10854373968.

The previous prime is 12663436297. The next prime is 12663436307. The reversal of 12663436303 is 30363436621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12663436303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663436307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904531158 + ... + 904531171.

It is an arithmetic number, because the mean of its divisors is an integer number (3618124660).

Almost surely, 2^12663436303 is an apocalyptic number.

12663436303 is a deficient number, since it is larger than the sum of its proper divisors (1809062337).

12663436303 is an equidigital number, since it uses as much as digits as its factorization.

12663436303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809062336.

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 12663436303 in words is "twelve billion, six hundred sixty-three million, four hundred thirty-six thousand, three hundred three".