4385084065 has 4 divisors (see below), whose sum is σ = 5262100884. Its totient is φ = 3508067248.

The previous prime is 4385084063. The next prime is 4385084101. The reversal of 4385084065 is 5604805834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5604805834 = 2 ⋅2802402917.

It can be written as a sum of positive squares in 2 ways, for example, as 724471056 + 3660613009 = 26916^2 + 60503^2 .

It is a cyclic number.

It is not a de Polignac number, because 4385084065 - 2¹ = 4385084063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4385084063) 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, 438508402 + ... + 438508411.

It is an arithmetic number, because the mean of its divisors is an integer number (1315525221).

Almost surely, 2^4385084065 is an apocalyptic number.

It is an amenable number.

4385084065 is a deficient number, since it is larger than the sum of its proper divisors (877016819).

4385084065 is an equidigital number, since it uses as much as digits as its factorization.

4385084065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877016818.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 4385084065 is about 66219.9672681888. The cubic root of 4385084065 is about 1636.7887868849.

Adding to 4385084065 its reverse (5604805834), we get a palindrome (9989889899).

The spelling of 4385084065 in words is "four billion, three hundred eighty-five million, eighty-four thousand, sixty-five".