6561484333 has 2 divisors, whose sum is σ = 6561484334. Its totient is φ = 6561484332.

The previous prime is 6561484283. The next prime is 6561484357. The reversal of 6561484333 is 3334841656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3881040804 + 2680443529 = 62298^2 + 51773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6561484333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6561484333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6561484933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280742166 + 3280742167.

It is an arithmetic number, because the mean of its divisors is an integer number (3280742167).

Almost surely, 2^6561484333 is an apocalyptic number.

It is an amenable number.

6561484333 is a deficient number, since it is larger than the sum of its proper divisors (1).

6561484333 is an equidigital number, since it uses as much as digits as its factorization.

6561484333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 43.

The square root of 6561484333 is about 81002.9896547035. The cubic root of 6561484333 is about 1872.1215051477.

The spelling of 6561484333 in words is "six billion, five hundred sixty-one million, four hundred eighty-four thousand, three hundred thirty-three".