3662485609 has 4 divisors (see below), whose sum is σ = 3662607060. Its totient is φ = 3662364160.

The previous prime is 3662485579. The next prime is 3662485613. The reversal of 3662485609 is 9065842663.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9065842663 = 39709 ⋅228307.

It can be written as a sum of positive squares in 2 ways, for example, as 3387589209 + 274896400 = 58203^2 + 16580^2 .

It is a cyclic number.

It is not a de Polignac number, because 3662485609 - 2⁹ = 3662485097 is a prime.

It is a super-2 number, since 2×3662485609² = 26827601672264201762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3662485649) 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, 22857 + ... + 88585.

It is an arithmetic number, because the mean of its divisors is an integer number (915651765).

Almost surely, 2^3662485609 is an apocalyptic number.

It is an amenable number.

3662485609 is a deficient number, since it is larger than the sum of its proper divisors (121451).

3662485609 is an equidigital number, since it uses as much as digits as its factorization.

3662485609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121450.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 3662485609 is about 60518.4732870881. The cubic root of 3662485609 is about 1541.4353303035.

The spelling of 3662485609 in words is "three billion, six hundred sixty-two million, four hundred eighty-five thousand, six hundred nine".