2193089508 has 72 divisors (see below), whose sum is σ = 5696996760. Its totient is φ = 710922240.

The previous prime is 2193089489. The next prime is 2193089519. The reversal of 2193089508 is 8059803912.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 148060224 + 2045029284 = 12168^2 + 45222^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495208 + ... + 499616.

It is an arithmetic number, because the mean of its divisors is an integer number (79124955).

Almost surely, 2^2193089508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193089508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848498380).

2193089508 is an abundant number, since it is smaller than the sum of its proper divisors (3503907252).

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

2193089508 is a wasteful number, since it uses less digits than its factorization.

2193089508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 2193089508 is about 46830.4335662185. The cubic root of 2193089508 is about 1299.2282417313.

The spelling of 2193089508 in words is "two billion, one hundred ninety-three million, eighty-nine thousand, five hundred eight".