6682784805 has 12 divisors (see below), whose sum is σ = 11583493740. Its totient is φ = 3564151872.

The previous prime is 6682784783. The next prime is 6682784807. The reversal of 6682784805 is 5084872866.

6682784805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2623693284 + 4059091521 = 51222^2 + 63711^2 .

It is not a de Polignac number, because 6682784805 - 2⁹ = 6682784293 is a prime.

It is a super-2 number, since 2×6682784805² = 89319225499877776050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682784807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74253120 + ... + 74253209.

It is an arithmetic number, because the mean of its divisors is an integer number (965291145).

Almost surely, 2^6682784805 is an apocalyptic number.

It is an amenable number.

6682784805 is a deficient number, since it is larger than the sum of its proper divisors (4900708935).

6682784805 is a wasteful number, since it uses less digits than its factorization.

6682784805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148506340 (or 148506337 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The square root of 6682784805 is about 81748.3015419892. The cubic root of 6682784805 is about 1883.5876119109.

The spelling of 6682784805 in words is "six billion, six hundred eighty-two million, seven hundred eighty-four thousand, eight hundred five".