91100000093 has 8 divisors (see below), whose sum is σ = 95908132320. Its totient is φ = 86293207440.

The previous prime is 91100000071. The next prime is 91100000107. The reversal of 91100000093 is 39000000119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91100000093 - 2²⁴ = 91083222877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91100000293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193763 + ... + 468768.

It is an arithmetic number, because the mean of its divisors is an integer number (11988516540).

Almost surely, 2^91100000093 is an apocalyptic number.

It is an amenable number.

91100000093 is a deficient number, since it is larger than the sum of its proper divisors (4808132227).

91100000093 is a wasteful number, since it uses less digits than its factorization.

91100000093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669787.

The product of its (nonzero) digits is 243, while the sum is 23.

The spelling of 91100000093 in words is "ninety-one billion, one hundred million, ninety-three", and thus it is an aban number.