6808475421 has 12 divisors (see below), whose sum is σ = 10728506880. Its totient is φ = 4126348680.

The previous prime is 6808475419. The next prime is 6808475431. The reversal of 6808475421 is 1245748086.

6808475421 is a `hidden beast` number, since 6 + 80 + 84 + 75 + 421 = 666.

It is not a de Polignac number, because 6808475421 - 2¹ = 6808475419 is a prime.

It is a super-2 number, since 2×6808475421² = 92710675116722254482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808475431) 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 in 11 ways as a sum of consecutive naturals, for example, 34386141 + ... + 34386338.

It is an arithmetic number, because the mean of its divisors is an integer number (894042240).

Almost surely, 2^6808475421 is an apocalyptic number.

It is an amenable number.

6808475421 is a deficient number, since it is larger than the sum of its proper divisors (3920031459).

6808475421 is a wasteful number, since it uses less digits than its factorization.

6808475421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68772496 (or 68772493 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 6808475421 is about 82513.4862976956. The cubic root of 6808475421 is about 1895.3232551447.

The spelling of 6808475421 in words is "six billion, eight hundred eight million, four hundred seventy-five thousand, four hundred twenty-one".