13257992769841 has 4 divisors (see below), whose sum is σ = 13276905741684. Its totient is φ = 13239079798000.

The previous prime is 13257992769817. The next prime is 13257992769871. The reversal of 13257992769841 is 14896729975231.

13257992769841 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 11187660281616 + 2070332488225 = 3344796^2 + 1438865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13257992769841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13257992769811) 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, 9456484870 + ... + 9456486271.

It is an arithmetic number, because the mean of its divisors is an integer number (3319226435421).

Almost surely, 2^{13257992769841} is an apocalyptic number.

It is an amenable number.

13257992769841 is a deficient number, since it is larger than the sum of its proper divisors (18912971843).

13257992769841 is an equidigital number, since it uses as much as digits as its factorization.

13257992769841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18912971842.

The product of its digits is 411505920, while the sum is 73.

The spelling of 13257992769841 in words is "thirteen trillion, two hundred fifty-seven billion, nine hundred ninety-two million, seven hundred sixty-nine thousand, eight hundred forty-one".