91683043 has 2 divisors, whose sum is σ = 91683044. Its totient is φ = 91683042.

The previous prime is 91683013. The next prime is 91683047. The reversal of 91683043 is 34038619.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91683043 is a prime.

It is not a weakly prime, because it can be changed into another prime (91683047) 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, 45841521 + 45841522.

It is an arithmetic number, because the mean of its divisors is an integer number (45841522).

Almost surely, 2^91683043 is an apocalyptic number.

91683043 is a deficient number, since it is larger than the sum of its proper divisors (1).

91683043 is an equidigital number, since it uses as much as digits as its factorization.

91683043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 91683043 is about 9575.1262654860. The cubic root of 91683043 is about 450.9167205289.

The spelling of 91683043 in words is "ninety-one million, six hundred eighty-three thousand, forty-three".