4065383965 has 8 divisors (see below), whose sum is σ = 4879844568. Its totient is φ = 3251384640.

The previous prime is 4065383947. The next prime is 4065383969. The reversal of 4065383965 is 5693835604.

It is a happy number.

4065383965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 393387556 + 3671996409 = 19834^2 + 60597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4065383965 - 2²⁵ = 4031829533 is a prime.

It is a super-3 number, since 3×4065383965³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065383969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95622 + ... + 131431.

It is an arithmetic number, because the mean of its divisors is an integer number (609980571).

Almost surely, 2^4065383965 is an apocalyptic number.

It is an amenable number.

4065383965 is a deficient number, since it is larger than the sum of its proper divisors (814460603).

4065383965 is a wasteful number, since it uses less digits than its factorization.

4065383965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230639.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The square root of 4065383965 is about 63760.3635889884. The cubic root of 4065383965 is about 1596.0035632287.

The spelling of 4065383965 in words is "four billion, sixty-five million, three hundred eighty-three thousand, nine hundred sixty-five".