9091140693 has 16 divisors (see below), whose sum is σ = 12515897856. Its totient is φ = 5863677120.

The previous prime is 9091140679. The next prime is 9091140731. The reversal of 9091140693 is 3960411909.

It is not a de Polignac number, because 9091140693 - 2⁹ = 9091140181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9091140613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406971 + ... + 428727.

It is an arithmetic number, because the mean of its divisors is an integer number (782243616).

Almost surely, 2^9091140693 is an apocalyptic number.

9091140693 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

9091140693 is a deficient number, since it is larger than the sum of its proper divisors (3424757163).

9091140693 is a wasteful number, since it uses less digits than its factorization.

9091140693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26284.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 9091140693 is about 95347.4734484349. The cubic root of 9091140693 is about 2087.0817457804.

The spelling of 9091140693 in words is "nine billion, ninety-one million, one hundred forty thousand, six hundred ninety-three".