91336433 has 2 divisors, whose sum is σ = 91336434. Its totient is φ = 91336432.

The previous prime is 91336417. The next prime is 91336499. The reversal of 91336433 is 33463319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54272689 + 37063744 = 7367^2 + 6088^2 .

It is a cyclic number.

It is not a de Polignac number, because 91336433 - 2⁴ = 91336417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91336433.

It is not a weakly prime, because it can be changed into another prime (91339433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45668216 + 45668217.

It is an arithmetic number, because the mean of its divisors is an integer number (45668217).

Almost surely, 2^91336433 is an apocalyptic number.

It is an amenable number.

91336433 is a deficient number, since it is larger than the sum of its proper divisors (1).

91336433 is an equidigital number, since it uses as much as digits as its factorization.

91336433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 32.

The square root of 91336433 is about 9557.0096264470. The cubic root of 91336433 is about 450.3477690280.

The spelling of 91336433 in words is "ninety-one million, three hundred thirty-six thousand, four hundred thirty-three".