13729796365 has 4 divisors (see below), whose sum is σ = 16475755644. Its totient is φ = 10983837088.

The previous prime is 13729796363. The next prime is 13729796371. The reversal of 13729796365 is 56369792731.

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 3443577124 + 10286219241 = 58682^2 + 101421^2 .

It is a cyclic number.

It is not a de Polignac number, because 13729796365 - 2¹ = 13729796363 is a prime.

It is a Smith number, since the sum of its digits (58) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729796363) 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, 1372979632 + ... + 1372979641.

It is an arithmetic number, because the mean of its divisors is an integer number (4118938911).

Almost surely, 2^13729796365 is an apocalyptic number.

It is an amenable number.

13729796365 is a deficient number, since it is larger than the sum of its proper divisors (2745959279).

13729796365 is an equidigital number, since it uses as much as digits as its factorization.

13729796365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745959278.

The product of its digits is 12859560, while the sum is 58.

The spelling of 13729796365 in words is "thirteen billion, seven hundred twenty-nine million, seven hundred ninety-six thousand, three hundred sixty-five".