9023766749 has 2 divisors, whose sum is σ = 9023766750. Its totient is φ = 9023766748.

The previous prime is 9023766743. The next prime is 9023766779. The reversal of 9023766749 is 9476673209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8966764249 + 57002500 = 94693^2 + 7550^2 .

It is a cyclic number.

It is not a de Polignac number, because 9023766749 - 2¹² = 9023762653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9023766749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9023766743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4511883374 + 4511883375.

It is an arithmetic number, because the mean of its divisors is an integer number (4511883375).

Almost surely, 2^9023766749 is an apocalyptic number.

It is an amenable number.

9023766749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9023766749 is an equidigital number, since it uses as much as digits as its factorization.

9023766749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The square root of 9023766749 is about 94993.5089835090. The cubic root of 9023766749 is about 2081.9132073884.

The spelling of 9023766749 in words is "nine billion, twenty-three million, seven hundred sixty-six thousand, seven hundred forty-nine".