6484186669 has 2 divisors, whose sum is σ = 6484186670. Its totient is φ = 6484186668.

The previous prime is 6484186651. The next prime is 6484186739. The reversal of 6484186669 is 9666814846.

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., 6144521769 + 339664900 = 78387^2 + 18430^2 .

It is a cyclic number.

It is not a de Polignac number, because 6484186669 - 2⁹ = 6484186157 is a prime.

It is a super-2 number, since 2×6484186669² = 84089353516874631122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6484186649) 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, 3242093334 + 3242093335.

It is an arithmetic number, because the mean of its divisors is an integer number (3242093335).

Almost surely, 2^6484186669 is an apocalyptic number.

It is an amenable number.

6484186669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6484186669 is an equidigital number, since it uses as much as digits as its factorization.

6484186669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11943936, while the sum is 58.

The square root of 6484186669 is about 80524.4476479038. The cubic root of 6484186669 is about 1864.7409280587.

The spelling of 6484186669 in words is "six billion, four hundred eighty-four million, one hundred eighty-six thousand, six hundred sixty-nine".