4065858596849 has 16 divisors (see below), whose sum is σ = 4842013507200. Its totient is φ = 3340287533184.

The previous prime is 4065858596837. The next prime is 4065858596857. The reversal of 4065858596849 is 9486958585604.

It is not a de Polignac number, because 4065858596849 - 2³⁶ = 3997139120113 is a prime.

It is a super-2 number, since 2×4065858596849² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4065858596849.

It is not an unprimeable number, because it can be changed into a prime (4065858596819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73070219 + ... + 73125840.

It is an arithmetic number, because the mean of its divisors is an integer number (302625844200).

Almost surely, 2^{4065858596849} is an apocalyptic number.

It is an amenable number.

4065858596849 is a deficient number, since it is larger than the sum of its proper divisors (776154910351).

4065858596849 is a wasteful number, since it uses less digits than its factorization.

4065858596849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146196232.

The product of its (nonzero) digits is 2985984000, while the sum is 77.

The spelling of 4065858596849 in words is "four trillion, sixty-five billion, eight hundred fifty-eight million, five hundred ninety-six thousand, eight hundred forty-nine".