13481756339 has 4 divisors (see below), whose sum is σ = 13702768800. Its totient is φ = 13260743880.

The previous prime is 13481756329. The next prime is 13481756359. The reversal of 13481756339 is 93365718431.

13481756339 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, and also an emirpimes, since its reverse is a distinct semiprime: 93365718431 = 159017 ⋅587143.

It is a cyclic number.

It is not a de Polignac number, because 13481756339 - 2²⁴ = 13464979123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13481756329) by changing a digit.

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, 110506139 + ... + 110506260.

It is an arithmetic number, because the mean of its divisors is an integer number (3425692200).

Almost surely, 2^13481756339 is an apocalyptic number.

13481756339 is a deficient number, since it is larger than the sum of its proper divisors (221012461).

13481756339 is an equidigital number, since it uses as much as digits as its factorization.

13481756339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221012460.

The product of its digits is 1632960, while the sum is 50.

The spelling of 13481756339 in words is "thirteen billion, four hundred eighty-one million, seven hundred fifty-six thousand, three hundred thirty-nine".