13717967971 has 2 divisors, whose sum is σ = 13717967972. Its totient is φ = 13717967970.

The previous prime is 13717967957. The next prime is 13717968053. The reversal of 13717967971 is 17976971731.

13717967971 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 a de Polignac number, because none of the positive numbers 2^k-13717967971 is a prime.

It is not a weakly prime, because it can be changed into another prime (13717962971) 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, 6858983985 + 6858983986.

It is an arithmetic number, because the mean of its divisors is an integer number (6858983986).

Almost surely, 2^13717967971 is an apocalyptic number.

13717967971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13717967971 is an equidigital number, since it uses as much as digits as its factorization.

13717967971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3500658, while the sum is 58.

The spelling of 13717967971 in words is "thirteen billion, seven hundred seventeen million, nine hundred sixty-seven thousand, nine hundred seventy-one".