12563589367 has 6 divisors (see below), whose sum is σ = 14614787688. Its totient is φ = 10768790844.

The previous prime is 12563589359. The next prime is 12563589403. The reversal of 12563589367 is 76398536521.

It is not a de Polignac number, because 12563589367 - 2³ = 12563589359 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 (12563589307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128199843 + ... + 128199940.

It is an arithmetic number, because the mean of its divisors is an integer number (2435797948).

Almost surely, 2^12563589367 is an apocalyptic number.

12563589367 is a deficient number, since it is larger than the sum of its proper divisors (2051198321).

12563589367 is an equidigital number, since it uses as much as digits as its factorization.

12563589367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256399797 (or 256399790 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 55.

The spelling of 12563589367 in words is "twelve billion, five hundred sixty-three million, five hundred eighty-nine thousand, three hundred sixty-seven".