91967329233 has 16 divisors (see below), whose sum is σ = 146728503040. Its totient is φ = 56595279312.

The previous prime is 91967329163. The next prime is 91967329243. The reversal of 91967329233 is 33292376919.

It is not a de Polignac number, because 91967329233 - 2¹⁰ = 91967328209 is a prime.

It is a super-3 number, since 3×91967329233³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91967329233.

It is not an unprimeable number, because it can be changed into a prime (91967329243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131007241 + ... + 131007942.

It is an arithmetic number, because the mean of its divisors is an integer number (9170531440).

Almost surely, 2^91967329233 is an apocalyptic number.

It is an amenable number.

91967329233 is a deficient number, since it is larger than the sum of its proper divisors (54761173807).

91967329233 is a wasteful number, since it uses less digits than its factorization.

91967329233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262015205 (or 262015199 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 54.

The spelling of 91967329233 in words is "ninety-one billion, nine hundred sixty-seven million, three hundred twenty-nine thousand, two hundred thirty-three".