6871643159 has 2 divisors, whose sum is σ = 6871643160. Its totient is φ = 6871643158.

The previous prime is 6871643137. The next prime is 6871643183. The reversal of 6871643159 is 9513461786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6871643159 - 2¹² = 6871639063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6871643659) 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, 3435821579 + 3435821580.

It is an arithmetic number, because the mean of its divisors is an integer number (3435821580).

Almost surely, 2^6871643159 is an apocalyptic number.

6871643159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6871643159 is an equidigital number, since it uses as much as digits as its factorization.

6871643159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 6871643159 is about 82895.3747744710. The cubic root of 6871643159 is about 1901.1667034708.

The spelling of 6871643159 in words is "six billion, eight hundred seventy-one million, six hundred forty-three thousand, one hundred fifty-nine".