9744428569 has 2 divisors, whose sum is σ = 9744428570. Its totient is φ = 9744428568.

The previous prime is 9744428537. The next prime is 9744428627. The reversal of 9744428569 is 9658244479.

9744428569 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9744428627) can be obtained adding 9744428569 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7879225225 + 1865203344 = 88765^2 + 43188^2 .

It is a cyclic number.

It is not a de Polignac number, because 9744428569 - 2⁵ = 9744428537 is a prime.

It is a super-2 number, since 2×9744428569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9744426569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872214284 + 4872214285.

It is an arithmetic number, because the mean of its divisors is an integer number (4872214285).

Almost surely, 2^9744428569 is an apocalyptic number.

It is an amenable number.

9744428569 is a deficient number, since it is larger than the sum of its proper divisors (1).

9744428569 is an equidigital number, since it uses as much as digits as its factorization.

9744428569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The square root of 9744428569 is about 98713.8722216893. The cubic root of 9744428569 is about 2135.9223432639.

The spelling of 9744428569 in words is "nine billion, seven hundred forty-four million, four hundred twenty-eight thousand, five hundred sixty-nine".