6779804819 has 2 divisors, whose sum is σ = 6779804820. Its totient is φ = 6779804818.

The previous prime is 6779804803. The next prime is 6779804821. The reversal of 6779804819 is 9184089776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6779804819 - 2⁴ = 6779804803 is a prime.

It is a super-2 number, since 2×6779804819² = 91931506767471245522, which contains 22 as substring.

Together with 6779804821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6779804869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389902409 + 3389902410.

It is an arithmetic number, because the mean of its divisors is an integer number (3389902410).

Almost surely, 2^6779804819 is an apocalyptic number.

6779804819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6779804819 is an equidigital number, since it uses as much as digits as its factorization.

6779804819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The square root of 6779804819 is about 82339.5701895510. The cubic root of 6779804819 is about 1892.6590995682.

The spelling of 6779804819 in words is "six billion, seven hundred seventy-nine million, eight hundred four thousand, eight hundred nineteen".