13226606364869 has 2 divisors, whose sum is σ = 13226606364870. Its totient is φ = 13226606364868.

The previous prime is 13226606364859. The next prime is 13226606364871. The reversal of 13226606364869 is 96846360662231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12495256428769 + 731349936100 = 3534863^2 + 855190^2 .

It is an emirp because it is prime and its reverse (96846360662231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13226606364869 - 2³² = 13222311397573 is a prime.

It is a super-2 number, since 2×13226606364869² (a number of 27 digits) contains 22 as substring.

Together with 13226606364871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13226606364809) 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, 6613303182434 + 6613303182435.

It is an arithmetic number, because the mean of its divisors is an integer number (6613303182435).

Almost surely, 2^{13226606364869} is an apocalyptic number.

It is an amenable number.

13226606364869 is a deficient number, since it is larger than the sum of its proper divisors (1).

13226606364869 is an equidigital number, since it uses as much as digits as its factorization.

13226606364869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80621568, while the sum is 62.

The spelling of 13226606364869 in words is "thirteen trillion, two hundred twenty-six billion, six hundred six million, three hundred sixty-four thousand, eight hundred sixty-nine".