13421185087169 has 2 divisors, whose sum is σ = 13421185087170. Its totient is φ = 13421185087168.

The previous prime is 13421185087081. The next prime is 13421185087207. The reversal of 13421185087169 is 96178058112431.

13421185087169 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 can be written as a sum of positive squares in only one way, i.e., 8893588412944 + 4527596674225 = 2982212^2 + 2127815^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421185087169 - 2²⁸ = 13420916651713 is a prime.

It is a super-2 number, since 2×13421185087169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13421185087369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710592543584 + 6710592543585.

It is an arithmetic number, because the mean of its divisors is an integer number (6710592543585).

It is a 1-persistent number, because it is pandigital, but 2⋅13421185087169 = 26842370174338 is not.

Almost surely, 2^{13421185087169} is an apocalyptic number.

It is an amenable number.

13421185087169 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421185087169 is an equidigital number, since it uses as much as digits as its factorization.

13421185087169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 13421185087169 in words is "thirteen trillion, four hundred twenty-one billion, one hundred eighty-five million, eighty-seven thousand, one hundred sixty-nine".