91335005063 has 2 divisors, whose sum is σ = 91335005064. Its totient is φ = 91335005062.

The previous prime is 91335005059. The next prime is 91335005149. The reversal of 91335005063 is 36050053319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91335005063 - 2² = 91335005059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91335005263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45667502531 + 45667502532.

It is an arithmetic number, because the mean of its divisors is an integer number (45667502532).

Almost surely, 2^91335005063 is an apocalyptic number.

91335005063 is a deficient number, since it is larger than the sum of its proper divisors (1).

91335005063 is an equidigital number, since it uses as much as digits as its factorization.

91335005063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 35.

The spelling of 91335005063 in words is "ninety-one billion, three hundred thirty-five million, five thousand, sixty-three".