6484544819 has 2 divisors, whose sum is σ = 6484544820. Its totient is φ = 6484544818.

The previous prime is 6484544777. The next prime is 6484544849. The reversal of 6484544819 is 9184454846.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6484544819 is a prime.

It is a super-2 number, since 2×6484544819² = 84098643019239485522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6484544849) 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, 3242272409 + 3242272410.

It is an arithmetic number, because the mean of its divisors is an integer number (3242272410).

Almost surely, 2^6484544819 is an apocalyptic number.

6484544819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6484544819 is an equidigital number, since it uses as much as digits as its factorization.

6484544819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4423680, while the sum is 53.

The square root of 6484544819 is about 80526.6714759774. The cubic root of 6484544819 is about 1864.7752600267.

The spelling of 6484544819 in words is "six billion, four hundred eighty-four million, five hundred forty-four thousand, eight hundred nineteen".