13105321450063 has 4 divisors (see below), whose sum is σ = 13105410784648. Its totient is φ = 13105232115480.

The previous prime is 13105321450019. The next prime is 13105321450099. The reversal of 13105321450063 is 36005412350131.

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 13105321450063 - 2⁹ = 13105321449551 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 (13105321750063) 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, 44446881 + ... + 44740762.

It is an arithmetic number, because the mean of its divisors is an integer number (3276352696162).

Almost surely, 2^{13105321450063} is an apocalyptic number.

13105321450063 is a deficient number, since it is larger than the sum of its proper divisors (89334585).

13105321450063 is an equidigital number, since it uses as much as digits as its factorization.

13105321450063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89334584.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 13105321450063 in words is "thirteen trillion, one hundred five billion, three hundred twenty-one million, four hundred fifty thousand, sixty-three".