13741878641 has 4 divisors (see below), whose sum is σ = 13744346484. Its totient is φ = 13739410800.

The previous prime is 13741878593. The next prime is 13741878643. The reversal of 13741878641 is 14687814731.

13741878641 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: 14687814731 = 193 ⋅76102667.

It can be written as a sum of positive squares in 2 ways, for example, as 3283748416 + 10458130225 = 57304^2 + 102265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13741878641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13741878641.

It is not an unprimeable number, because it can be changed into a prime (13741878643) 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, 1225550 + ... + 1236711.

It is an arithmetic number, because the mean of its divisors is an integer number (3436086621).

Almost surely, 2^13741878641 is an apocalyptic number.

It is an amenable number.

13741878641 is a deficient number, since it is larger than the sum of its proper divisors (2467843).

13741878641 is an equidigital number, since it uses as much as digits as its factorization.

13741878641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467842.

The product of its digits is 903168, while the sum is 50.

The spelling of 13741878641 in words is "thirteen billion, seven hundred forty-one million, eight hundred seventy-eight thousand, six hundred forty-one".