13571319847 has 2 divisors, whose sum is σ = 13571319848. Its totient is φ = 13571319846.

The previous prime is 13571319823. The next prime is 13571319857. The reversal of 13571319847 is 74891317531.

13571319847 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 13571319847 - 2⁷ = 13571319719 is a prime.

It is a super-2 number, since 2×13571319847² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13571319847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13571319857) 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, 6785659923 + 6785659924.

It is an arithmetic number, because the mean of its divisors is an integer number (6785659924).

Almost surely, 2^13571319847 is an apocalyptic number.

13571319847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13571319847 is an equidigital number, since it uses as much as digits as its factorization.

13571319847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The spelling of 13571319847 in words is "thirteen billion, five hundred seventy-one million, three hundred nineteen thousand, eight hundred forty-seven".