3665241013 has 12 divisors (see below), whose sum is σ = 4322058060. Its totient is φ = 3098596032.

The previous prime is 3665241001. The next prime is 3665241031. The reversal of 3665241013 is 3101425663.

It can be written as a sum of positive squares in 2 ways, for example, as 2233224049 + 1432016964 = 47257^2 + 37842^2 .

It is not a de Polignac number, because 3665241013 - 2⁵ = 3665240981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665241313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508758 + ... + 515911.

It is an arithmetic number, because the mean of its divisors is an integer number (360171505).

Almost surely, 2^3665241013 is an apocalyptic number.

It is an amenable number.

3665241013 is a deficient number, since it is larger than the sum of its proper divisors (656817047).

3665241013 is a wasteful number, since it uses less digits than its factorization.

3665241013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024756 (or 1024749 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3665241013 is about 60541.2339897363. The cubic root of 3665241013 is about 1541.8217902884.

Adding to 3665241013 its reverse (3101425663), we get a palindrome (6766666676).

The spelling of 3665241013 in words is "three billion, six hundred sixty-five million, two hundred forty-one thousand, thirteen".