6774556843 has 2 divisors, whose sum is σ = 6774556844. Its totient is φ = 6774556842.

The previous prime is 6774556807. The next prime is 6774556853. The reversal of 6774556843 is 3486554776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6774556843 - 2²¹ = 6772459691 is a prime.

It is not a weakly prime, because it can be changed into another prime (6774556853) 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, 3387278421 + 3387278422.

It is an arithmetic number, because the mean of its divisors is an integer number (3387278422).

Almost surely, 2^6774556843 is an apocalyptic number.

6774556843 is a deficient number, since it is larger than the sum of its proper divisors (1).

6774556843 is an equidigital number, since it uses as much as digits as its factorization.

6774556843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 55.

The square root of 6774556843 is about 82307.6961346872. The cubic root of 6774556843 is about 1892.1706295844.

The spelling of 6774556843 in words is "six billion, seven hundred seventy-four million, five hundred fifty-six thousand, eight hundred forty-three".