9234000991 has 2 divisors, whose sum is σ = 9234000992. Its totient is φ = 9234000990.

The previous prime is 9234000977. The next prime is 9234001033. The reversal of 9234000991 is 1990004329.

It is a weak prime.

It is an emirp because it is prime and its reverse (1990004329) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9234000991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9234000991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9234000961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4617000495 + 4617000496.

It is an arithmetic number, because the mean of its divisors is an integer number (4617000496).

Almost surely, 2^9234000991 is an apocalyptic number.

9234000991 is a deficient number, since it is larger than the sum of its proper divisors (1).

9234000991 is an equidigital number, since it uses as much as digits as its factorization.

9234000991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9234000991 is about 96093.7094247069. The cubic root of 9234000991 is about 2097.9572722057.

The spelling of 9234000991 in words is "nine billion, two hundred thirty-four million, nine hundred ninety-one", and thus it is an aban number.