13927287191 has 2 divisors, whose sum is σ = 13927287192. Its totient is φ = 13927287190.

The previous prime is 13927287181. The next prime is 13927287211. The reversal of 13927287191 is 19178272931.

13927287191 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 an emirp because it is prime and its reverse (19178272931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13927287191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13927287151) 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, 6963643595 + 6963643596.

It is an arithmetic number, because the mean of its divisors is an integer number (6963643596).

Almost surely, 2^13927287191 is an apocalyptic number.

13927287191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13927287191 is an equidigital number, since it uses as much as digits as its factorization.

13927287191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 50.

The spelling of 13927287191 in words is "thirteen billion, nine hundred twenty-seven million, two hundred eighty-seven thousand, one hundred ninety-one".