6842164291 has 2 divisors, whose sum is σ = 6842164292. Its totient is φ = 6842164290.

The previous prime is 6842164289. The next prime is 6842164331. The reversal of 6842164291 is 1924612486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6842164291 - 2¹ = 6842164289 is a prime.

Together with 6842164289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6842564291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421082145 + 3421082146.

It is an arithmetic number, because the mean of its divisors is an integer number (3421082146).

Almost surely, 2^6842164291 is an apocalyptic number.

6842164291 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842164291 is an equidigital number, since it uses as much as digits as its factorization.

6842164291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 6842164291 is about 82717.3759919885. The cubic root of 6842164291 is about 1898.4441825974. Note that the first 3 decimals are identical.

The spelling of 6842164291 in words is "six billion, eight hundred forty-two million, one hundred sixty-four thousand, two hundred ninety-one".