91269375493271 has 2 divisors, whose sum is σ = 91269375493272. Its totient is φ = 91269375493270.

The previous prime is 91269375493253. The next prime is 91269375493357. The reversal of 91269375493271 is 17239457396219.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91269375493271 - 2⁶ = 91269375493207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91269375495271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45634687746635 + 45634687746636.

It is an arithmetic number, because the mean of its divisors is an integer number (45634687746636).

Almost surely, 2^{91269375493271} is an apocalyptic number.

91269375493271 is a deficient number, since it is larger than the sum of its proper divisors (1).

91269375493271 is an equidigital number, since it uses as much as digits as its factorization.

91269375493271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154314720, while the sum is 68.

The spelling of 91269375493271 in words is "ninety-one trillion, two hundred sixty-nine billion, three hundred seventy-five million, four hundred ninety-three thousand, two hundred seventy-one".