6855006395 has 4 divisors (see below), whose sum is σ = 8226007680. Its totient is φ = 5484005112.

The previous prime is 6855006299. The next prime is 6855006401. The reversal of 6855006395 is 5936005586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6855006395 - 2⁸ = 6855006139 is a prime.

It is a super-2 number, since 2×6855006395² = 93982225350981792050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 685500635 + ... + 685500644.

It is an arithmetic number, because the mean of its divisors is an integer number (2056501920).

Almost surely, 2^6855006395 is an apocalyptic number.

6855006395 is a deficient number, since it is larger than the sum of its proper divisors (1371001285).

6855006395 is a wasteful number, since it uses less digits than its factorization.

6855006395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371001284.

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 6855006395 is about 82794.9660003554. The cubic root of 6855006395 is about 1899.6311744844.

The spelling of 6855006395 in words is "six billion, eight hundred fifty-five million, six thousand, three hundred ninety-five".