6582442861 has 2 divisors, whose sum is σ = 6582442862. Its totient is φ = 6582442860.

The previous prime is 6582442849. The next prime is 6582442871. The reversal of 6582442861 is 1682442856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4897340361 + 1685102500 = 69981^2 + 41050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6582442861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6582442871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3291221430 + 3291221431.

It is an arithmetic number, because the mean of its divisors is an integer number (3291221431).

Almost surely, 2^6582442861 is an apocalyptic number.

It is an amenable number.

6582442861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6582442861 is an equidigital number, since it uses as much as digits as its factorization.

6582442861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 737280, while the sum is 46.

The square root of 6582442861 is about 81132.2553673938. The cubic root of 6582442861 is about 1874.1126810491.

The spelling of 6582442861 in words is "six billion, five hundred eighty-two million, four hundred forty-two thousand, eight hundred sixty-one".