8314441385 has 4 divisors (see below), whose sum is σ = 9977329668. Its totient is φ = 6651553104.

The previous prime is 8314441367. The next prime is 8314441393. The reversal of 8314441385 is 5831444138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4162443289 + 4151998096 = 64517^2 + 64436^2 .

It is a cyclic number.

It is not a de Polignac number, because 8314441385 - 2¹² = 8314437289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 831444134 + ... + 831444143.

It is an arithmetic number, because the mean of its divisors is an integer number (2494332417).

Almost surely, 2^8314441385 is an apocalyptic number.

It is an amenable number.

8314441385 is a deficient number, since it is larger than the sum of its proper divisors (1662888283).

8314441385 is a wasteful number, since it uses less digits than its factorization.

8314441385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662888282.

The product of its digits is 184320, while the sum is 41.

The square root of 8314441385 is about 91183.5587427909. The cubic root of 8314441385 is about 2025.8674440407.

The spelling of 8314441385 in words is "eight billion, three hundred fourteen million, four hundred forty-one thousand, three hundred eighty-five".