4865985265 has 4 divisors (see below), whose sum is σ = 5839182324. Its totient is φ = 3892788208.

The previous prime is 4865985227. The next prime is 4865985323. The reversal of 4865985265 is 5625895684.

It is a happy number.

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 1453439376 + 3412545889 = 38124^2 + 58417^2 .

It is a cyclic number.

It is not a de Polignac number, because 4865985265 - 2¹¹ = 4865983217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486598522 + ... + 486598531.

It is an arithmetic number, because the mean of its divisors is an integer number (1459795581).

Almost surely, 2^4865985265 is an apocalyptic number.

It is an amenable number.

4865985265 is a deficient number, since it is larger than the sum of its proper divisors (973197059).

4865985265 is an equidigital number, since it uses as much as digits as its factorization.

4865985265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973197058.

The product of its digits is 20736000, while the sum is 58.

The square root of 4865985265 is about 69756.6144892368. The cubic root of 4865985265 is about 1694.5599185835.

The spelling of 4865985265 in words is "four billion, eight hundred sixty-five million, nine hundred eighty-five thousand, two hundred sixty-five".