2303489865 has 16 divisors (see below), whose sum is σ = 3812673600. Its totient is φ = 1186164672.

The previous prime is 2303489843. The next prime is 2303489891. The reversal of 2303489865 is 5689843032.

It is not a de Polignac number, because 2303489865 - 2⁶ = 2303489801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2647255 + ... + 2648124.

It is an arithmetic number, because the mean of its divisors is an integer number (238292100).

Almost surely, 2^2303489865 is an apocalyptic number.

It is an amenable number.

2303489865 is a deficient number, since it is larger than the sum of its proper divisors (1509183735).

2303489865 is a wasteful number, since it uses less digits than its factorization.

2303489865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295416.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 2303489865 is about 47994.6857995758. The cubic root of 2303489865 is about 1320.6734138524.

The spelling of 2303489865 in words is "two billion, three hundred three million, four hundred eighty-nine thousand, eight hundred sixty-five".