13500320063 has 4 divisors (see below), whose sum is σ = 13690465488. Its totient is φ = 13310174640.

The previous prime is 13500320047. The next prime is 13500320081. The reversal of 13500320063 is 36002300531.

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 13500320063 - 2⁴ = 13500320047 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 (13500320563) 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, 95072606 + ... + 95072747.

It is an arithmetic number, because the mean of its divisors is an integer number (3422616372).

Almost surely, 2^13500320063 is an apocalyptic number.

13500320063 is a deficient number, since it is larger than the sum of its proper divisors (190145425).

13500320063 is an equidigital number, since it uses as much as digits as its factorization.

13500320063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190145424.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 13500320063 its reverse (36002300531), we get a palindrome (49502620594).

The spelling of 13500320063 in words is "thirteen billion, five hundred million, three hundred twenty thousand, sixty-three".