13427094217 has 2 divisors, whose sum is σ = 13427094218. Its totient is φ = 13427094216.

The previous prime is 13427094199. The next prime is 13427094229. The reversal of 13427094217 is 71249072431.

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., 9211968441 + 4215125776 = 95979^2 + 64924^2 .

It is a cyclic number.

It is not a de Polignac number, because 13427094217 - 2¹¹ = 13427092169 is a prime.

It is a super-2 number, since 2×13427094217² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13427094217.

It is not a weakly prime, because it can be changed into another prime (13427094517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6713547108 + 6713547109.

It is an arithmetic number, because the mean of its divisors is an integer number (6713547109).

Almost surely, 2^13427094217 is an apocalyptic number.

It is an amenable number.

13427094217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13427094217 is an equidigital number, since it uses as much as digits as its factorization.

13427094217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 13427094217 in words is "thirteen billion, four hundred twenty-seven million, ninety-four thousand, two hundred seventeen".