13495259065 has 4 divisors (see below), whose sum is σ = 16194310884. Its totient is φ = 10796207248.

The previous prime is 13495259053. The next prime is 13495259081. The reversal of 13495259065 is 56095259431.

13495259065 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 10417672489 + 3077586576 = 102067^2 + 55476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13495259065 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1349525902 + ... + 1349525911.

It is an arithmetic number, because the mean of its divisors is an integer number (4048577721).

Almost surely, 2^13495259065 is an apocalyptic number.

It is an amenable number.

13495259065 is a deficient number, since it is larger than the sum of its proper divisors (2699051819).

13495259065 is an equidigital number, since it uses as much as digits as its factorization.

13495259065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699051818.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 13495259065 in words is "thirteen billion, four hundred ninety-five million, two hundred fifty-nine thousand, sixty-five".