13535345513 has 4 divisors (see below), whose sum is σ = 13901165700. Its totient is φ = 13169525328.

The previous prime is 13535345503. The next prime is 13535345521. The reversal of 13535345513 is 31554353531.

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 5093962384 + 8441383129 = 71372^2 + 91877^2 .

It is a cyclic number.

It is not a de Polignac number, because 13535345513 - 2⁴ = 13535345497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13535345503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182910038 + ... + 182910111.

It is an arithmetic number, because the mean of its divisors is an integer number (3475291425).

Almost surely, 2^13535345513 is an apocalyptic number.

It is an amenable number.

13535345513 is a deficient number, since it is larger than the sum of its proper divisors (365820187).

13535345513 is an equidigital number, since it uses as much as digits as its factorization.

13535345513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365820186.

The product of its digits is 202500, while the sum is 38.

The spelling of 13535345513 in words is "thirteen billion, five hundred thirty-five million, three hundred forty-five thousand, five hundred thirteen".