553821282809 has 2 divisors, whose sum is σ = 553821282810. Its totient is φ = 553821282808.

The previous prime is 553821282713. The next prime is 553821282821. The reversal of 553821282809 is 908282128355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528238240000 + 25583042809 = 726800^2 + 159947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553821282809 is a prime.

It is not a weakly prime, because it can be changed into another prime (553821282409) 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, 276910641404 + 276910641405.

It is an arithmetic number, because the mean of its divisors is an integer number (276910641405).

Almost surely, 2^553821282809 is an apocalyptic number.

It is an amenable number.

553821282809 is a deficient number, since it is larger than the sum of its proper divisors (1).

553821282809 is an equidigital number, since it uses as much as digits as its factorization.

553821282809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 553821282809 in words is "five hundred fifty-three billion, eight hundred twenty-one million, two hundred eighty-two thousand, eight hundred nine".