3265431665 has 8 divisors (see below), whose sum is σ = 3940410240. Its totient is φ = 2597750512.

The previous prime is 3265431613. The next prime is 3265431677. The reversal of 3265431665 is 5661345623.

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

It is a cyclic number.

It is not a de Polignac number, because 3265431665 - 2¹² = 3265427569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823369 + ... + 1825158.

It is an arithmetic number, because the mean of its divisors is an integer number (492551280).

Almost surely, 2^3265431665 is an apocalyptic number.

It is an amenable number.

3265431665 is a deficient number, since it is larger than the sum of its proper divisors (674978575).

3265431665 is a wasteful number, since it uses less digits than its factorization.

3265431665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648711.

The product of its digits is 388800, while the sum is 41.

The square root of 3265431665 is about 57143.9556296202. The cubic root of 3265431665 is about 1483.5887562786.

The spelling of 3265431665 in words is "three billion, two hundred sixty-five million, four hundred thirty-one thousand, six hundred sixty-five".