6171778343 has 2 divisors, whose sum is σ = 6171778344. Its totient is φ = 6171778342.

The previous prime is 6171778331. The next prime is 6171778369. The reversal of 6171778343 is 3438771716.

6171778343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6171778343 - 2⁸ = 6171778087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6171778043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085889171 + 3085889172.

It is an arithmetic number, because the mean of its divisors is an integer number (3085889172).

Almost surely, 2^6171778343 is an apocalyptic number.

6171778343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6171778343 is an equidigital number, since it uses as much as digits as its factorization.

6171778343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The square root of 6171778343 is about 78560.6666405015. Note that the first 4 decimals coincide. The cubic root of 6171778343 is about 1834.2989046318.

The spelling of 6171778343 in words is "six billion, one hundred seventy-one million, seven hundred seventy-eight thousand, three hundred forty-three".