13713727691 has 2 divisors, whose sum is σ = 13713727692. Its totient is φ = 13713727690.

The previous prime is 13713727673. The next prime is 13713727733. The reversal of 13713727691 is 19672731731.

13713727691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13713727691 - 2¹⁰ = 13713726667 is a prime.

It is not a weakly prime, because it can be changed into another prime (13713727991) 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 as a sum of consecutive naturals, namely, 6856863845 + 6856863846.

It is an arithmetic number, because the mean of its divisors is an integer number (6856863846).

Almost surely, 2^13713727691 is an apocalyptic number.

13713727691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13713727691 is an equidigital number, since it uses as much as digits as its factorization.

13713727691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 333396, while the sum is 47.

The spelling of 13713727691 in words is "thirteen billion, seven hundred thirteen million, seven hundred twenty-seven thousand, six hundred ninety-one".