91446352033 has 2 divisors, whose sum is σ = 91446352034. Its totient is φ = 91446352032.

The previous prime is 91446352031. The next prime is 91446352069. The reversal of 91446352033 is 33025364419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52064743329 + 39381608704 = 228177^2 + 198448^2 .

It is an emirp because it is prime and its reverse (33025364419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91446352033 - 2¹ = 91446352031 is a prime.

Together with 91446352031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (91446352031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45723176016 + 45723176017.

It is an arithmetic number, because the mean of its divisors is an integer number (45723176017).

Almost surely, 2^91446352033 is an apocalyptic number.

It is an amenable number.

91446352033 is a deficient number, since it is larger than the sum of its proper divisors (1).

91446352033 is an equidigital number, since it uses as much as digits as its factorization.

91446352033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 91446352033 in words is "ninety-one billion, four hundred forty-six million, three hundred fifty-two thousand, thirty-three".