13626320445563 has 4 divisors (see below), whose sum is σ = 15572937652080. Its totient is φ = 11679703239048.

The previous prime is 13626320445527. The next prime is 13626320445613. The reversal of 13626320445563 is 36554402362631.

It is a happy number.

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 13626320445563 - 2¹⁴ = 13626320429179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13626320495563) 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, 973308603248 + ... + 973308603261.

It is an arithmetic number, because the mean of its divisors is an integer number (3893234413020).

Almost surely, 2^{13626320445563} is an apocalyptic number.

13626320445563 is a deficient number, since it is larger than the sum of its proper divisors (1946617206517).

13626320445563 is an equidigital number, since it uses as much as digits as its factorization.

13626320445563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946617206516.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 13626320445563 in words is "thirteen trillion, six hundred twenty-six billion, three hundred twenty million, four hundred forty-five thousand, five hundred sixty-three".