91063459 has 2 divisors, whose sum is σ = 91063460. Its totient is φ = 91063458.

The previous prime is 91063439. The next prime is 91063477. The reversal of 91063459 is 95436019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91063459 - 2⁷ = 91063331 is a prime.

It is not a weakly prime, because it can be changed into another prime (91063429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45531729 + 45531730.

It is an arithmetic number, because the mean of its divisors is an integer number (45531730).

Almost surely, 2^91063459 is an apocalyptic number.

91063459 is a deficient number, since it is larger than the sum of its proper divisors (1).

91063459 is an equidigital number, since it uses as much as digits as its factorization.

91063459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 91063459 is about 9542.7175898693. The cubic root of 91063459 is about 449.8986751291.

The spelling of 91063459 in words is "ninety-one million, sixty-three thousand, four hundred fifty-nine".