26246314217 has 2 divisors, whose sum is σ = 26246314218. Its totient is φ = 26246314216.

The previous prime is 26246314163. The next prime is 26246314247. The reversal of 26246314217 is 71241364262.

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., 24055699801 + 2190614416 = 155099^2 + 46804^2 .

It is a cyclic number.

It is not a de Polignac number, because 26246314217 - 2³⁰ = 25172572393 is a prime.

It is not a weakly prime, because it can be changed into another prime (26246314247) 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, 13123157108 + 13123157109.

It is an arithmetic number, because the mean of its divisors is an integer number (13123157109).

Almost surely, 2^26246314217 is an apocalyptic number.

It is an amenable number.

26246314217 is a deficient number, since it is larger than the sum of its proper divisors (1).

26246314217 is an equidigital number, since it uses as much as digits as its factorization.

26246314217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

Adding to 26246314217 its reverse (71241364262), we get a palindrome (97487678479).

The spelling of 26246314217 in words is "twenty-six billion, two hundred forty-six million, three hundred fourteen thousand, two hundred seventeen".