9320000991 has 16 divisors (see below), whose sum is σ = 14334637824. Its totient is φ = 5275940544.

The previous prime is 9320000969. The next prime is 9320000999. The reversal of 9320000991 is 1990000239.

It is not a de Polignac number, because 9320000991 - 2⁶ = 9320000927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9320000999) 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, 2071630 + ... + 2076123.

It is an arithmetic number, because the mean of its divisors is an integer number (895914864).

Almost surely, 2^9320000991 is an apocalyptic number.

9320000991 is a deficient number, since it is larger than the sum of its proper divisors (5014636833).

9320000991 is a wasteful number, since it uses less digits than its factorization.

9320000991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147870.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9320000991 is about 96540.1522217569. The cubic root of 9320000991 is about 2104.4501992400.

The spelling of 9320000991 in words is "nine billion, three hundred twenty million, nine hundred ninety-one", and thus it is an aban number.