3665436841 has 8 divisors (see below), whose sum is σ = 4054978368. Its totient is φ = 3285282000.

The previous prime is 3665436821. The next prime is 3665436881. The reversal of 3665436841 is 1486345663.

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

It is not a de Polignac number, because 3665436841 - 2⁷ = 3665436713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3665436791 and 3665436800.

It is not an unprimeable number, because it can be changed into a prime (3665436821) 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, 2345850 + ... + 2347411.

It is an arithmetic number, because the mean of its divisors is an integer number (506872296).

Almost surely, 2^3665436841 is an apocalyptic number.

It is an amenable number.

3665436841 is a deficient number, since it is larger than the sum of its proper divisors (389541527).

3665436841 is a wasteful number, since it uses less digits than its factorization.

3665436841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693343.

The product of its digits is 1244160, while the sum is 46.

The square root of 3665436841 is about 60542.8512790734. The cubic root of 3665436841 is about 1541.8492488284.

The spelling of 3665436841 in words is "three billion, six hundred sixty-five million, four hundred thirty-six thousand, eight hundred forty-one".