6818934550 has 12 divisors (see below), whose sum is σ = 12683218356. Its totient is φ = 2727573800.

The previous prime is 6818934547. The next prime is 6818934569. The reversal of 6818934550 is 554398186.

It is a junction number, because it is equal to n+sod(n) for n = 6818934494 and 6818934503.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 68189296 + ... + 68189395.

It is an arithmetic number, because the mean of its divisors is an integer number (1056934863).

Almost surely, 2^6818934550 is an apocalyptic number.

6818934550 is a deficient number, since it is larger than the sum of its proper divisors (5864283806).

6818934550 is a wasteful number, since it uses less digits than its factorization.

6818934550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136378703 (or 136378698 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 6818934550 is about 82576.8402761937. The cubic root of 6818934550 is about 1896.2932857308.

The spelling of 6818934550 in words is "six billion, eight hundred eighteen million, nine hundred thirty-four thousand, five hundred fifty".