6773556899 has 2 divisors, whose sum is σ = 6773556900. Its totient is φ = 6773556898.

The previous prime is 6773556869. The next prime is 6773556901. The reversal of 6773556899 is 9986553776.

6773556899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6773556899 - 2¹² = 6773552803 is a prime.

Together with 6773556901, 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 (6773556869) 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, 3386778449 + 3386778450.

It is an arithmetic number, because the mean of its divisors is an integer number (3386778450).

Almost surely, 2^6773556899 is an apocalyptic number.

6773556899 is a deficient number, since it is larger than the sum of its proper divisors (1).

6773556899 is an equidigital number, since it uses as much as digits as its factorization.

6773556899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85730400, while the sum is 65.

The square root of 6773556899 is about 82301.6214846342. The cubic root of 6773556899 is about 1892.0775284015.

The spelling of 6773556899 in words is "six billion, seven hundred seventy-three million, five hundred fifty-six thousand, eight hundred ninety-nine".