6395220806 has 8 divisors (see below), whose sum is σ = 10330741344. Its totient is φ = 2951640360.

The previous prime is 6395220791. The next prime is 6395220809. The reversal of 6395220806 is 6080225936.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6395220809) 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 in 3 ways as a sum of consecutive naturals, for example, 122984990 + ... + 122985041.

It is an arithmetic number, because the mean of its divisors is an integer number (1291342668).

Almost surely, 2^6395220806 is an apocalyptic number.

6395220806 is a deficient number, since it is larger than the sum of its proper divisors (3935520538).

6395220806 is a wasteful number, since it uses less digits than its factorization.

6395220806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245970046.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6395220806 is about 79970.1244590753. The cubic root of 6395220806 is about 1856.1732714134.

The spelling of 6395220806 in words is "six billion, three hundred ninety-five million, two hundred twenty thousand, eight hundred six".