8505364313 has 2 divisors, whose sum is σ = 8505364314. Its totient is φ = 8505364312.

The previous prime is 8505364289. The next prime is 8505364331. The reversal of 8505364313 is 3134635058.

Together with next prime (8505364331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8141813824 + 363550489 = 90232^2 + 19067^2 .

It is a cyclic number.

It is not a de Polignac number, because 8505364313 - 2⁶ = 8505364249 is a prime.

It is not a weakly prime, because it can be changed into another prime (8505364363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252682156 + 4252682157.

It is an arithmetic number, because the mean of its divisors is an integer number (4252682157).

Almost surely, 2^8505364313 is an apocalyptic number.

It is an amenable number.

8505364313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8505364313 is an equidigital number, since it uses as much as digits as its factorization.

8505364313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 8505364313 is about 92224.5320562810. The cubic root of 8505364313 is about 2041.2567798045.

The spelling of 8505364313 in words is "eight billion, five hundred five million, three hundred sixty-four thousand, three hundred thirteen".