12685110163469 has 2 divisors, whose sum is σ = 12685110163470. Its totient is φ = 12685110163468.

The previous prime is 12685110163373. The next prime is 12685110163471. The reversal of 12685110163469 is 96436101158621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12578811342244 + 106298821225 = 3546662^2 + 326035^2 .

It is a cyclic number.

It is not a de Polignac number, because 12685110163469 - 2⁸ = 12685110163213 is a prime.

It is a super-2 number, since 2×12685110163469² (a number of 27 digits) contains 22 as substring.

Together with 12685110163471, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12685110163469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12685110163489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6342555081734 + 6342555081735.

It is an arithmetic number, because the mean of its divisors is an integer number (6342555081735).

Almost surely, 2^{12685110163469} is an apocalyptic number.

It is an amenable number.

12685110163469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12685110163469 is an equidigital number, since it uses as much as digits as its factorization.

12685110163469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 12685110163469 in words is "twelve trillion, six hundred eighty-five billion, one hundred ten million, one hundred sixty-three thousand, four hundred sixty-nine".