6409343719 has 2 divisors, whose sum is σ = 6409343720. Its totient is φ = 6409343718.

The previous prime is 6409343659. The next prime is 6409343767. The reversal of 6409343719 is 9173439046.

6409343719 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 6409343719 - 2¹¹ = 6409341671 is a prime.

It is a super-2 number, since 2×6409343719² = 82159373816569501922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6409343789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204671859 + 3204671860.

It is an arithmetic number, because the mean of its divisors is an integer number (3204671860).

Almost surely, 2^6409343719 is an apocalyptic number.

6409343719 is a deficient number, since it is larger than the sum of its proper divisors (1).

6409343719 is an equidigital number, since it uses as much as digits as its factorization.

6409343719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 6409343719 is about 80058.3769445771. The cubic root of 6409343719 is about 1857.5386295477.

The spelling of 6409343719 in words is "six billion, four hundred nine million, three hundred forty-three thousand, seven hundred nineteen".