6804475749439 has 2 divisors, whose sum is σ = 6804475749440. Its totient is φ = 6804475749438.

The previous prime is 6804475749377. The next prime is 6804475749481. The reversal of 6804475749439 is 9349475744086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6804475749439 - 2¹⁹ = 6804475225151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6804475749499) 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, 3402237874719 + 3402237874720.

It is an arithmetic number, because the mean of its divisors is an integer number (3402237874720).

Almost surely, 2^{6804475749439} is an apocalyptic number.

6804475749439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6804475749439 is an equidigital number, since it uses as much as digits as its factorization.

6804475749439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 731566080, while the sum is 70.

The spelling of 6804475749439 in words is "six trillion, eight hundred four billion, four hundred seventy-five million, seven hundred forty-nine thousand, four hundred thirty-nine".