13016436065 has 4 divisors (see below), whose sum is σ = 15619723284. Its totient is φ = 10413148848.

The previous prime is 13016436011. The next prime is 13016436101. The reversal of 13016436065 is 56063461031.

13016436065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2515925281 + 10500510784 = 50159^2 + 102472^2 .

It is a cyclic number.

It is not a de Polignac number, because 13016436065 - 2¹⁴ = 13016419681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301643602 + ... + 1301643611.

It is an arithmetic number, because the mean of its divisors is an integer number (3904930821).

Almost surely, 2^13016436065 is an apocalyptic number.

It is an amenable number.

13016436065 is a deficient number, since it is larger than the sum of its proper divisors (2603287219).

13016436065 is an equidigital number, since it uses as much as digits as its factorization.

13016436065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603287218.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 13016436065 its reverse (56063461031), we get a palindrome (69079897096).

The spelling of 13016436065 in words is "thirteen billion, sixteen million, four hundred thirty-six thousand, sixty-five".