6861766271 has 2 divisors, whose sum is σ = 6861766272. Its totient is φ = 6861766270.

The previous prime is 6861766243. The next prime is 6861766283. The reversal of 6861766271 is 1726671686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6861766271 - 2¹⁰ = 6861765247 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6861766771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3430883135 + 3430883136.

It is an arithmetic number, because the mean of its divisors is an integer number (3430883136).

Almost surely, 2^6861766271 is an apocalyptic number.

6861766271 is a deficient number, since it is larger than the sum of its proper divisors (1).

6861766271 is an equidigital number, since it uses as much as digits as its factorization.

6861766271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 6861766271 is about 82835.7789303632. The cubic root of 6861766271 is about 1900.2553923545.

The spelling of 6861766271 in words is "six billion, eight hundred sixty-one million, seven hundred sixty-six thousand, two hundred seventy-one".