6855296243 has 4 divisors (see below), whose sum is σ = 6868404408. Its totient is φ = 6842188080.

The previous prime is 6855296237. The next prime is 6855296281. The reversal of 6855296243 is 3426925586.

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 6855296243 - 2⁸ = 6855295987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6855296191 and 6855296200.

It is not an unprimeable number, because it can be changed into a prime (6855596243) 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 3 ways as a sum of consecutive naturals, for example, 6553298 + ... + 6554343.

It is an arithmetic number, because the mean of its divisors is an integer number (1717101102).

Almost surely, 2^6855296243 is an apocalyptic number.

6855296243 is a deficient number, since it is larger than the sum of its proper divisors (13108165).

6855296243 is a wasteful number, since it uses less digits than its factorization.

6855296243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13108164.

The product of its digits is 3110400, while the sum is 50.

The square root of 6855296243 is about 82796.7163781270. The cubic root of 6855296243 is about 1899.6579479356.

The spelling of 6855296243 in words is "six billion, eight hundred fifty-five million, two hundred ninety-six thousand, two hundred forty-three".