6804861047 has 2 divisors, whose sum is σ = 6804861048. Its totient is φ = 6804861046.

The previous prime is 6804861043. The next prime is 6804861059. The reversal of 6804861047 is 7401684086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6804861047 - 2² = 6804861043 is a prime.

It is a super-2 number, since 2×6804861047² = 92612267737955872418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6804860989 and 6804861007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6804861043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402430523 + 3402430524.

It is an arithmetic number, because the mean of its divisors is an integer number (3402430524).

Almost surely, 2^6804861047 is an apocalyptic number.

6804861047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6804861047 is an equidigital number, since it uses as much as digits as its factorization.

6804861047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 6804861047 is about 82491.5816735259. The cubic root of 6804861047 is about 1894.9878095303.

The spelling of 6804861047 in words is "six billion, eight hundred four million, eight hundred sixty-one thousand, forty-seven".