6343161709 has 2 divisors, whose sum is σ = 6343161710. Its totient is φ = 6343161708.

The previous prime is 6343161707. The next prime is 6343161731. The reversal of 6343161709 is 9071613436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4699102500 + 1644059209 = 68550^2 + 40547^2 .

It is a cyclic number.

It is not a de Polignac number, because 6343161709 - 2¹ = 6343161707 is a prime.

Together with 6343161707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6343161707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171580854 + 3171580855.

It is an arithmetic number, because the mean of its divisors is an integer number (3171580855).

Almost surely, 2^6343161709 is an apocalyptic number.

It is an amenable number.

6343161709 is a deficient number, since it is larger than the sum of its proper divisors (1).

6343161709 is an equidigital number, since it uses as much as digits as its factorization.

6343161709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 6343161709 is about 79643.9684408054. The cubic root of 6343161709 is about 1851.1229324723.

The spelling of 6343161709 in words is "six billion, three hundred forty-three million, one hundred sixty-one thousand, seven hundred nine".