6851618234 has 16 divisors (see below), whose sum is σ = 10820368800. Its totient is φ = 3244896144.

The previous prime is 6851618209. The next prime is 6851618287. The reversal of 6851618234 is 4328161586.

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, 239504 + ... + 266580.

It is an arithmetic number, because the mean of its divisors is an integer number (676273050).

Almost surely, 2^6851618234 is an apocalyptic number.

6851618234 is a deficient number, since it is larger than the sum of its proper divisors (3968750566).

6851618234 is a wasteful number, since it uses less digits than its factorization.

6851618234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33757.

The product of its digits is 276480, while the sum is 44.

The square root of 6851618234 is about 82774.5023180448. The cubic root of 6851618234 is about 1899.3181518274.

The spelling of 6851618234 in words is "six billion, eight hundred fifty-one million, six hundred eighteen thousand, two hundred thirty-four".