8500445313 has 4 divisors (see below), whose sum is σ = 11333927088. Its totient is φ = 5666963540.

The previous prime is 8500445293. The next prime is 8500445323. The reversal of 8500445313 is 3135440058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8500445313 - 2¹⁴ = 8500428929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8500445323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416740883 + ... + 1416740888.

It is an arithmetic number, because the mean of its divisors is an integer number (2833481772).

Almost surely, 2^8500445313 is an apocalyptic number.

It is an amenable number.

8500445313 is a deficient number, since it is larger than the sum of its proper divisors (2833481775).

8500445313 is a wasteful number, since it uses less digits than its factorization.

8500445313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833481774.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 8500445313 is about 92197.8595901228. The cubic root of 8500445313 is about 2040.8631898280.

The spelling of 8500445313 in words is "eight billion, five hundred million, four hundred forty-five thousand, three hundred thirteen".