91936363 has 2 divisors, whose sum is σ = 91936364. Its totient is φ = 91936362.

The previous prime is 91936349. The next prime is 91936367. The reversal of 91936363 is 36363919.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (36363919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91936363 - 2⁵ = 91936331 is a prime.

It is not a weakly prime, because it can be changed into another prime (91936367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45968181 + 45968182.

It is an arithmetic number, because the mean of its divisors is an integer number (45968182).

Almost surely, 2^91936363 is an apocalyptic number.

91936363 is a deficient number, since it is larger than the sum of its proper divisors (1).

91936363 is an equidigital number, since it uses as much as digits as its factorization.

91936363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 40.

The square root of 91936363 is about 9588.3451648342. The cubic root of 91936363 is about 451.3316325230.

The spelling of 91936363 in words is "ninety-one million, nine hundred thirty-six thousand, three hundred sixty-three".