8823549521 has 2 divisors, whose sum is σ = 8823549522. Its totient is φ = 8823549520.

The previous prime is 8823549481. The next prime is 8823549569. The reversal of 8823549521 is 1259453288.

It is a happy number.

8823549521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8631339025 + 192210496 = 92905^2 + 13864^2 .

It is a cyclic number.

It is not a de Polignac number, because 8823549521 - 2²⁶ = 8756440657 is a prime.

It is a super-2 number, since 2×8823549521² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8823549221) 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, 4411774760 + 4411774761.

It is an arithmetic number, because the mean of its divisors is an integer number (4411774761).

Almost surely, 2^8823549521 is an apocalyptic number.

It is an amenable number.

8823549521 is a deficient number, since it is larger than the sum of its proper divisors (1).

8823549521 is an equidigital number, since it uses as much as digits as its factorization.

8823549521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 47.

The square root of 8823549521 is about 93933.7507022902. The cubic root of 8823549521 is about 2066.4002346643.

The spelling of 8823549521 in words is "eight billion, eight hundred twenty-three million, five hundred forty-nine thousand, five hundred twenty-one".