3233998865 has 4 divisors (see below), whose sum is σ = 3880798644. Its totient is φ = 2587199088.

The previous prime is 3233998843. The next prime is 3233998879. The reversal of 3233998865 is 5688993323.

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 2094801361 + 1139197504 = 45769^2 + 33752^2 .

It is a cyclic number.

It is not a de Polignac number, because 3233998865 - 2⁸ = 3233998609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3233998865.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323399882 + ... + 323399891.

It is an arithmetic number, because the mean of its divisors is an integer number (970199661).

Almost surely, 2^3233998865 is an apocalyptic number.

It is an amenable number.

3233998865 is a deficient number, since it is larger than the sum of its proper divisors (646799779).

3233998865 is an equidigital number, since it uses as much as digits as its factorization.

3233998865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646799778.

The product of its digits is 8398080, while the sum is 56.

The square root of 3233998865 is about 56868.2588532478. The cubic root of 3233998865 is about 1478.8130953029.

The spelling of 3233998865 in words is "three billion, two hundred thirty-three million, nine hundred ninety-eight thousand, eight hundred sixty-five".