13271826212209 has 2 divisors, whose sum is σ = 13271826212210. Its totient is φ = 13271826212208.

The previous prime is 13271826212189. The next prime is 13271826212243. The reversal of 13271826212209 is 90221262817231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12407632867809 + 864193344400 = 3522447^2 + 929620^2 .

It is a cyclic number.

It is not a de Polignac number, because 13271826212209 - 2⁷ = 13271826212081 is a prime.

It is a super-2 number, since 2×13271826212209² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13271826213209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635913106104 + 6635913106105.

It is an arithmetic number, because the mean of its divisors is an integer number (6635913106105).

Almost surely, 2^{13271826212209} is an apocalyptic number.

It is an amenable number.

13271826212209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13271826212209 is an equidigital number, since it uses as much as digits as its factorization.

13271826212209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 13271826212209 in words is "thirteen trillion, two hundred seventy-one billion, eight hundred twenty-six million, two hundred twelve thousand, two hundred nine".