2289776652 has 18 divisors (see below), whose sum is σ = 5788046628. Its totient is φ = 763258872.

The previous prime is 2289776647. The next prime is 2289776663. The reversal of 2289776652 is 2566779822.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31802418 + ... + 31802489.

It is an arithmetic number, because the mean of its divisors is an integer number (321558146).

Almost surely, 2^2289776652 is an apocalyptic number.

It is an amenable number.

2289776652 is an abundant number, since it is smaller than the sum of its proper divisors (3498269976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2289776652 is a wasteful number, since it uses less digits than its factorization.

2289776652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63604917 (or 63604912 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 2289776652 is about 47851.6107565879. The cubic root of 2289776652 is about 1318.0474368559.

The spelling of 2289776652 in words is "two billion, two hundred eighty-nine million, seven hundred seventy-six thousand, six hundred fifty-two".