9944569 has 2 divisors, whose sum is σ = 9944570. Its totient is φ = 9944568.

The previous prime is 9944563. The next prime is 9944617. The reversal of 9944569 is 9654499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7634169 + 2310400 = 2763^2 + 1520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9944569 is a prime.

It is a super-2 number, since 2×9944569² = 197788905191522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9944563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4972284 + 4972285.

It is an arithmetic number, because the mean of its divisors is an integer number (4972285).

Almost surely, 2^9944569 is an apocalyptic number.

It is an amenable number.

9944569 is a deficient number, since it is larger than the sum of its proper divisors (1).

9944569 is an equidigital number, since it uses as much as digits as its factorization.

9944569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 9944569 is about 3153.5010702392. The cubic root of 9944569 is about 215.0446563091.

The spelling of 9944569 in words is "nine million, nine hundred forty-four thousand, five hundred sixty-nine".