8268395321 has 2 divisors, whose sum is σ = 8268395322. Its totient is φ = 8268395320.

The previous prime is 8268395293. The next prime is 8268395329. The reversal of 8268395321 is 1235938628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6551121721 + 1717273600 = 80939^2 + 41440^2 .

It is a cyclic number.

It is not a de Polignac number, because 8268395321 - 2²² = 8264201017 is a prime.

It is a super-2 number, since 2×8268395321² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8268395329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134197660 + 4134197661.

It is an arithmetic number, because the mean of its divisors is an integer number (4134197661).

Almost surely, 2^8268395321 is an apocalyptic number.

It is an amenable number.

8268395321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8268395321 is an equidigital number, since it uses as much as digits as its factorization.

8268395321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 8268395321 is about 90930.7171477274. The cubic root of 8268395321 is about 2022.1207117853.

The spelling of 8268395321 in words is "eight billion, two hundred sixty-eight million, three hundred ninety-five thousand, three hundred twenty-one".