13275190681 has 4 divisors (see below), whose sum is σ = 13275474100. Its totient is φ = 13274907264.

The previous prime is 13275190679. The next prime is 13275190717. The reversal of 13275190681 is 18609157231.

13275190681 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 5661057600 + 7614133081 = 75240^2 + 87259^2 .

It is a cyclic number.

It is not a de Polignac number, because 13275190681 - 2¹ = 13275190679 is a prime.

It is a super-2 number, since 2×13275190681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13275190601) 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, 52896 + ... + 171313.

It is an arithmetic number, because the mean of its divisors is an integer number (3318868525).

Almost surely, 2^13275190681 is an apocalyptic number.

It is an amenable number.

13275190681 is a deficient number, since it is larger than the sum of its proper divisors (283419).

13275190681 is an equidigital number, since it uses as much as digits as its factorization.

13275190681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283418.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 13275190681 in words is "thirteen billion, two hundred seventy-five million, one hundred ninety thousand, six hundred eighty-one".