3325634665 has 4 divisors (see below), whose sum is σ = 3990761604. Its totient is φ = 2660507728.

The previous prime is 3325634623. The next prime is 3325634687. The reversal of 3325634665 is 5664365233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2512415376 + 813219289 = 50124^2 + 28517^2 .

It is a cyclic number.

It is not a de Polignac number, because 3325634665 - 2¹⁷ = 3325503593 is a prime.

It is a super-2 number, since 2×3325634665² = 22119691850099324450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332563462 + ... + 332563471.

It is an arithmetic number, because the mean of its divisors is an integer number (997690401).

Almost surely, 2^3325634665 is an apocalyptic number.

It is an amenable number.

3325634665 is a deficient number, since it is larger than the sum of its proper divisors (665126939).

3325634665 is an equidigital number, since it uses as much as digits as its factorization.

3325634665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665126938.

The product of its digits is 1166400, while the sum is 43.

The square root of 3325634665 is about 57668.3159542569. The cubic root of 3325634665 is about 1492.6506673856.

Adding to 3325634665 its reverse (5664365233), we get a palindrome (8989999898).

The spelling of 3325634665 in words is "three billion, three hundred twenty-five million, six hundred thirty-four thousand, six hundred sixty-five".