6882844649 has 2 divisors, whose sum is σ = 6882844650. Its totient is φ = 6882844648.

The previous prime is 6882844643. The next prime is 6882844681. The reversal of 6882844649 is 9464482886.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6361179049 + 521665600 = 79757^2 + 22840^2 .

It is a cyclic number.

It is not a de Polignac number, because 6882844649 - 2¹² = 6882840553 is a prime.

It is not a weakly prime, because it can be changed into another prime (6882844643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3441422324 + 3441422325.

It is an arithmetic number, because the mean of its divisors is an integer number (3441422325).

Almost surely, 2^6882844649 is an apocalyptic number.

It is an amenable number.

6882844649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6882844649 is an equidigital number, since it uses as much as digits as its factorization.

6882844649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21233664, while the sum is 59.

The square root of 6882844649 is about 82962.9112857065. The cubic root of 6882844649 is about 1902.1991755344.

The spelling of 6882844649 in words is "six billion, eight hundred eighty-two million, eight hundred forty-four thousand, six hundred forty-nine".