6818051812 has 24 divisors (see below), whose sum is σ = 14017534272. Its totient is φ = 2860720800.

The previous prime is 6818051797. The next prime is 6818051819. The reversal of 6818051812 is 2181508186.

It is a super-2 number, since 2×6818051812² = 92971661022232966688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6818051819) 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 7 ways as a sum of consecutive naturals, for example, 5959264 + ... + 5960407.

It is an arithmetic number, because the mean of its divisors is an integer number (584063928).

Almost surely, 2^6818051812 is an apocalyptic number.

It is an amenable number.

6818051812 is an abundant number, since it is smaller than the sum of its proper divisors (7199482460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6818051812 is a wasteful number, since it uses less digits than its factorization.

6818051812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919699 (or 11919697 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 40.

The square root of 6818051812 is about 82571.4951541996. The cubic root of 6818051812 is about 1896.2114546486.

Adding to 6818051812 its reverse (2181508186), we get a palindrome (8999559998).

The spelling of 6818051812 in words is "six billion, eight hundred eighteen million, fifty-one thousand, eight hundred twelve".