13680345671 has 2 divisors, whose sum is σ = 13680345672. Its totient is φ = 13680345670.

The previous prime is 13680345607. The next prime is 13680345691. The reversal of 13680345671 is 17654308631.

13680345671 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 13680345671 - 2⁶ = 13680345607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13680345691) 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, 6840172835 + 6840172836.

It is an arithmetic number, because the mean of its divisors is an integer number (6840172836).

Almost surely, 2^13680345671 is an apocalyptic number.

13680345671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13680345671 is an equidigital number, since it uses as much as digits as its factorization.

13680345671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 13680345671 in words is "thirteen billion, six hundred eighty million, three hundred forty-five thousand, six hundred seventy-one".