13807664671 has 2 divisors, whose sum is σ = 13807664672. Its totient is φ = 13807664670.

The previous prime is 13807664657. The next prime is 13807664693. The reversal of 13807664671 is 17646670831.

13807664671 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 13807664671 - 2¹⁹ = 13807140383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13807665671) 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, 6903832335 + 6903832336.

It is an arithmetic number, because the mean of its divisors is an integer number (6903832336).

Almost surely, 2^13807664671 is an apocalyptic number.

13807664671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13807664671 is an equidigital number, since it uses as much as digits as its factorization.

13807664671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 13807664671 in words is "thirteen billion, eight hundred seven million, six hundred sixty-four thousand, six hundred seventy-one".