8522064409 has 2 divisors, whose sum is σ = 8522064410. Its totient is φ = 8522064408.

The previous prime is 8522064379. The next prime is 8522064427. The reversal of 8522064409 is 9044602258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8522059225 + 5184 = 92315^2 + 72^2 .

It is a cyclic number.

It is not a de Polignac number, because 8522064409 - 2⁵ = 8522064377 is a prime.

It is a super-2 number, since 2×8522064409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8522064709) 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, 4261032204 + 4261032205.

It is an arithmetic number, because the mean of its divisors is an integer number (4261032205).

Almost surely, 2^8522064409 is an apocalyptic number.

It is an amenable number.

8522064409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8522064409 is an equidigital number, since it uses as much as digits as its factorization.

8522064409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 8522064409 is about 92315.0280777729. The cubic root of 8522064409 is about 2042.5918939792.

The spelling of 8522064409 in words is "eight billion, five hundred twenty-two million, sixty-four thousand, four hundred nine".