6806813408 has 24 divisors (see below), whose sum is σ = 13406610672. Its totient is φ = 3401959936.

The previous prime is 6806813393. The next prime is 6806813417. The reversal of 6806813408 is 8043186086.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 33341 + ... + 121347.

It is an arithmetic number, because the mean of its divisors is an integer number (558608778).

Almost surely, 2^6806813408 is an apocalyptic number.

It is an amenable number.

6806813408 is a deficient number, since it is larger than the sum of its proper divisors (6599797264).

6806813408 is a wasteful number, since it uses less digits than its factorization.

6806813408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90434 (or 90426 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 6806813408 is about 82503.4145232790. The cubic root of 6806813408 is about 1895.1690205059.

The spelling of 6806813408 in words is "six billion, eight hundred six million, eight hundred thirteen thousand, four hundred eight".