6768186979 has 2 divisors, whose sum is σ = 6768186980. Its totient is φ = 6768186978.

The previous prime is 6768186961. The next prime is 6768186989. The reversal of 6768186979 is 9796818676.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6768186979 is a prime.

It is not a weakly prime, because it can be changed into another prime (6768186989) 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 as a sum of consecutive naturals, namely, 3384093489 + 3384093490.

It is an arithmetic number, because the mean of its divisors is an integer number (3384093490).

Almost surely, 2^6768186979 is an apocalyptic number.

6768186979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6768186979 is an equidigital number, since it uses as much as digits as its factorization.

6768186979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54867456, while the sum is 67.

The square root of 6768186979 is about 82268.9916007240. The cubic root of 6768186979 is about 1891.5773977095.

The spelling of 6768186979 in words is "six billion, seven hundred sixty-eight million, one hundred eighty-six thousand, nine hundred seventy-nine".