8268294322861 has 2 divisors, whose sum is σ = 8268294322862. Its totient is φ = 8268294322860.

The previous prime is 8268294322853. The next prime is 8268294322909. The reversal of 8268294322861 is 1682234928628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5631912117225 + 2636382205636 = 2373165^2 + 1623694^2 .

It is a cyclic number.

It is not a de Polignac number, because 8268294322861 - 2³ = 8268294322853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8268294322861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8268294325861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134147161430 + 4134147161431.

It is an arithmetic number, because the mean of its divisors is an integer number (4134147161431).

Almost surely, 2^{8268294322861} is an apocalyptic number.

It is an amenable number.

8268294322861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8268294322861 is an equidigital number, since it uses as much as digits as its factorization.

8268294322861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 61.

The spelling of 8268294322861 in words is "eight trillion, two hundred sixty-eight billion, two hundred ninety-four million, three hundred twenty-two thousand, eight hundred sixty-one".