3230569665 has 12 divisors (see below), whose sum is σ = 5599654164. Its totient is φ = 1722970464.

The previous prime is 3230569663. The next prime is 3230569669. The reversal of 3230569665 is 5669650323.

3230569665 is a `hidden beast` number, since 3 + 23 + 0 + 569 + 6 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1569110544 + 1661459121 = 39612^2 + 40761^2 .

It is not a de Polignac number, because 3230569665 - 2¹ = 3230569663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 71790437 = 3230569665 / (3 + 2 + 3 + 0 + 5 + 6 + 9 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3230569665.

It is not an unprimeable number, because it can be changed into a prime (3230569663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35895174 + ... + 35895263.

It is an arithmetic number, because the mean of its divisors is an integer number (466637847).

Almost surely, 2^3230569665 is an apocalyptic number.

It is an amenable number.

3230569665 is a deficient number, since it is larger than the sum of its proper divisors (2369084499).

3230569665 is a wasteful number, since it uses less digits than its factorization.

3230569665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71790448 (or 71790445 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The square root of 3230569665 is about 56838.1004696674. The cubic root of 3230569665 is about 1478.2902194922.

The spelling of 3230569665 in words is "three billion, two hundred thirty million, five hundred sixty-nine thousand, six hundred sixty-five".