22843456609 has 2 divisors, whose sum is σ = 22843456610. Its totient is φ = 22843456608.

The previous prime is 22843456543. The next prime is 22843456651. The reversal of 22843456609 is 90665434822.

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., 19564176384 + 3279280225 = 139872^2 + 57265^2 .

It is a cyclic number.

It is not a de Polignac number, because 22843456609 - 2⁷ = 22843456481 is a prime.

It is not a weakly prime, because it can be changed into another prime (22843456109) 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, 11421728304 + 11421728305.

It is an arithmetic number, because the mean of its divisors is an integer number (11421728305).

Almost surely, 2^22843456609 is an apocalyptic number.

It is an amenable number.

22843456609 is a deficient number, since it is larger than the sum of its proper divisors (1).

22843456609 is an equidigital number, since it uses as much as digits as its factorization.

22843456609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 22843456609 in words is "twenty-two billion, eight hundred forty-three million, four hundred fifty-six thousand, six hundred nine".