13731496847 has 2 divisors, whose sum is σ = 13731496848. Its totient is φ = 13731496846.

The previous prime is 13731496813. The next prime is 13731496873. The reversal of 13731496847 is 74869413731.

It is a happy number.

13731496847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13731496847 - 2³⁰ = 12657755023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13731492847) 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, 6865748423 + 6865748424.

It is an arithmetic number, because the mean of its divisors is an integer number (6865748424).

Almost surely, 2^13731496847 is an apocalyptic number.

13731496847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13731496847 is an equidigital number, since it uses as much as digits as its factorization.

13731496847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The spelling of 13731496847 in words is "thirteen billion, seven hundred thirty-one million, four hundred ninety-six thousand, eight hundred forty-seven".