6804678401 has 2 divisors, whose sum is σ = 6804678402. Its totient is φ = 6804678400.

The previous prime is 6804678389. The next prime is 6804678403. The reversal of 6804678401 is 1048764086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3896880625 + 2907797776 = 62425^2 + 53924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6804678401 is a prime.

Together with 6804678403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6804678403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402339200 + 3402339201.

It is an arithmetic number, because the mean of its divisors is an integer number (3402339201).

Almost surely, 2^6804678401 is an apocalyptic number.

It is an amenable number.

6804678401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6804678401 is an equidigital number, since it uses as much as digits as its factorization.

6804678401 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 6804678401 is about 82490.4746076782. The cubic root of 6804678401 is about 1894.9708552267.

The spelling of 6804678401 in words is "six billion, eight hundred four million, six hundred seventy-eight thousand, four hundred one".