9124054722791 has 2 divisors, whose sum is σ = 9124054722792. Its totient is φ = 9124054722790.

The previous prime is 9124054722779. The next prime is 9124054722833. The reversal of 9124054722791 is 1972274504219.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9124054722791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9124054727791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4562027361395 + 4562027361396.

It is an arithmetic number, because the mean of its divisors is an integer number (4562027361396).

Almost surely, 2^{9124054722791} is an apocalyptic number.

9124054722791 is a deficient number, since it is larger than the sum of its proper divisors (1).

9124054722791 is an equidigital number, since it uses as much as digits as its factorization.

9124054722791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 9124054722791 in words is "nine trillion, one hundred twenty-four billion, fifty-four million, seven hundred twenty-two thousand, seven hundred ninety-one".