13809380171 has 2 divisors, whose sum is σ = 13809380172. Its totient is φ = 13809380170.

The previous prime is 13809380111. The next prime is 13809380183. The reversal of 13809380171 is 17108390831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13809380171 - 2⁶ = 13809380107 is a prime.

It is not a weakly prime, because it can be changed into another prime (13809380111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6904690085 + 6904690086.

It is an arithmetic number, because the mean of its divisors is an integer number (6904690086).

Almost surely, 2^13809380171 is an apocalyptic number.

13809380171 is a deficient number, since it is larger than the sum of its proper divisors (1).

13809380171 is an equidigital number, since it uses as much as digits as its factorization.

13809380171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 13809380171 in words is "thirteen billion, eight hundred nine million, three hundred eighty thousand, one hundred seventy-one".