9291120000689 has 2 divisors, whose sum is σ = 9291120000690. Its totient is φ = 9291120000688.

The previous prime is 9291120000647. The next prime is 9291120000691. The reversal of 9291120000689 is 9860000211929.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5242231526464 + 4048888474225 = 2289592^2 + 2012185^2 .

It is a cyclic number.

It is not a de Polignac number, because 9291120000689 - 2²⁰ = 9291118952113 is a prime.

Together with 9291120000691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9291120000619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4645560000344 + 4645560000345.

It is an arithmetic number, because the mean of its divisors is an integer number (4645560000345).

Almost surely, 2^{9291120000689} is an apocalyptic number.

It is an amenable number.

9291120000689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9291120000689 is an equidigital number, since it uses as much as digits as its factorization.

9291120000689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 9291120000689 in words is "nine trillion, two hundred ninety-one billion, one hundred twenty million, six hundred eighty-nine", and thus it is an aban number.