26641664130271 has 2 divisors, whose sum is σ = 26641664130272. Its totient is φ = 26641664130270.

The previous prime is 26641664130149. The next prime is 26641664130329. The reversal of 26641664130271 is 17203146614662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26641664130271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26641664130071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13320832065135 + 13320832065136.

It is an arithmetic number, because the mean of its divisors is an integer number (13320832065136).

Almost surely, 2^{26641664130271} is an apocalyptic number.

26641664130271 is a deficient number, since it is larger than the sum of its proper divisors (1).

26641664130271 is an equidigital number, since it uses as much as digits as its factorization.

26641664130271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 26641664130271 in words is "twenty-six trillion, six hundred forty-one billion, six hundred sixty-four million, one hundred thirty thousand, two hundred seventy-one".