6587446849 has 2 divisors, whose sum is σ = 6587446850. Its totient is φ = 6587446848.

The previous prime is 6587446787. The next prime is 6587446867. The reversal of 6587446849 is 9486447856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5262486849 + 1324960000 = 72543^2 + 36400^2 .

It is a cyclic number.

It is not a de Polignac number, because 6587446849 - 2⁹ = 6587446337 is a prime.

It is not a weakly prime, because it can be changed into another prime (6587446549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3293723424 + 3293723425.

It is an arithmetic number, because the mean of its divisors is an integer number (3293723425).

Almost surely, 2^6587446849 is an apocalyptic number.

It is an amenable number.

6587446849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6587446849 is an equidigital number, since it uses as much as digits as its factorization.

6587446849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46448640, while the sum is 61.

The square root of 6587446849 is about 81163.0879710722. The cubic root of 6587446849 is about 1874.5874623305.

The spelling of 6587446849 in words is "six billion, five hundred eighty-seven million, four hundred forty-six thousand, eight hundred forty-nine".