9345888749 has 2 divisors, whose sum is σ = 9345888750. Its totient is φ = 9345888748.

The previous prime is 9345888709. The next prime is 9345888763. The reversal of 9345888749 is 9478885439.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8853492649 + 492396100 = 94093^2 + 22190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9345888749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9345888709) 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, 4672944374 + 4672944375.

It is an arithmetic number, because the mean of its divisors is an integer number (4672944375).

Almost surely, 2^9345888749 is an apocalyptic number.

It is an amenable number.

9345888749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9345888749 is an equidigital number, since it uses as much as digits as its factorization.

9345888749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 65.

The square root of 9345888749 is about 96674.1369188264. The cubic root of 9345888749 is about 2106.3968776241.

The spelling of 9345888749 in words is "nine billion, three hundred forty-five million, eight hundred eighty-eight thousand, seven hundred forty-nine".