6808417405 has 8 divisors (see below), whose sum is σ = 8245056600. Its totient is φ = 5396763456.

The previous prime is 6808417387. The next prime is 6808417453. The reversal of 6808417405 is 5047148086.

It can be written as a sum of positive squares in 4 ways, for example, as 1994694244 + 4813723161 = 44662^2 + 69381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6808417405 - 2⁹ = 6808416893 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6245710 + ... + 6246799.

It is an arithmetic number, because the mean of its divisors is an integer number (1030632075).

Almost surely, 2^6808417405 is an apocalyptic number.

It is an amenable number.

6808417405 is a deficient number, since it is larger than the sum of its proper divisors (1436639195).

6808417405 is a wasteful number, since it uses less digits than its factorization.

6808417405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492623.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 6808417405 is about 82513.1347422942. The cubic root of 6808417405 is about 1895.3178716886.

The spelling of 6808417405 in words is "six billion, eight hundred eight million, four hundred seventeen thousand, four hundred five".