26204622743213 has 2 divisors, whose sum is σ = 26204622743214. Its totient is φ = 26204622743212.

The previous prime is 26204622743161. The next prime is 26204622743227. The reversal of 26204622743213 is 31234722640262.

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., 23073977317444 + 3130645425769 = 4803538^2 + 1769363^2 .

It is a cyclic number.

It is not a de Polignac number, because 26204622743213 - 2⁸ = 26204622742957 is a prime.

It is a super-3 number, since 3×26204622743213³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26204622742213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13102311371606 + 13102311371607.

It is an arithmetic number, because the mean of its divisors is an integer number (13102311371607).

Almost surely, 2^{26204622743213} is an apocalyptic number.

It is an amenable number.

26204622743213 is a deficient number, since it is larger than the sum of its proper divisors (1).

26204622743213 is an equidigital number, since it uses as much as digits as its factorization.

26204622743213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 26204622743213 in words is "twenty-six trillion, two hundred four billion, six hundred twenty-two million, seven hundred forty-three thousand, two hundred thirteen".