8564793313 has 2 divisors, whose sum is σ = 8564793314. Its totient is φ = 8564793312.

The previous prime is 8564793311. The next prime is 8564793353. The reversal of 8564793313 is 3133974658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6687477729 + 1877315584 = 81777^2 + 43328^2 .

It is a cyclic number.

It is not a de Polignac number, because 8564793313 - 2¹ = 8564793311 is a prime.

Together with 8564793311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8564793311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4282396656 + 4282396657.

It is an arithmetic number, because the mean of its divisors is an integer number (4282396657).

Almost surely, 2^8564793313 is an apocalyptic number.

It is an amenable number.

8564793313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8564793313 is an equidigital number, since it uses as much as digits as its factorization.

8564793313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 8564793313 is about 92546.1685484602. The cubic root of 8564793313 is about 2045.9999981685. Note that the first 5 decimals are identical.

The spelling of 8564793313 in words is "eight billion, five hundred sixty-four million, seven hundred ninety-three thousand, three hundred thirteen".