6818960930 has 16 divisors (see below), whose sum is σ = 12309305400. Its totient is φ = 2719767552.

The previous prime is 6818960927. The next prime is 6818960957. The reversal of 6818960930 is 390698186.

It is a Cunningham number, because it is equal to 82577²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6818960929 + 1 = 82577^2 + 1^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973439 + ... + 980418.

Almost surely, 2^6818960930 is an apocalyptic number.

6818960930 is a deficient number, since it is larger than the sum of its proper divisors (5490344470).

6818960930 is a wasteful number, since it uses less digits than its factorization.

6818960930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954213.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 6818960930 is about 82577.0000060550. Note that the first 5 decimals coincide. The cubic root of 6818960930 is about 1896.2957310860.

The spelling of 6818960930 in words is "six billion, eight hundred eighteen million, nine hundred sixty thousand, nine hundred thirty".