6340056209 has 2 divisors, whose sum is σ = 6340056210. Its totient is φ = 6340056208.

The previous prime is 6340056169. The next prime is 6340056269. The reversal of 6340056209 is 9026500436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6338548225 + 1507984 = 79615^2 + 1228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6340056209 is a prime.

It is not a weakly prime, because it can be changed into another prime (6340056269) 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, 3170028104 + 3170028105.

It is an arithmetic number, because the mean of its divisors is an integer number (3170028105).

Almost surely, 2^6340056209 is an apocalyptic number.

It is an amenable number.

6340056209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6340056209 is an equidigital number, since it uses as much as digits as its factorization.

6340056209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 6340056209 is about 79624.4699134632. The cubic root of 6340056209 is about 1850.8207907890.

The spelling of 6340056209 in words is "six billion, three hundred forty million, fifty-six thousand, two hundred nine".