2193289648 has 80 divisors (see below), whose sum is σ = 4822405632. Its totient is φ = 957600000.

The previous prime is 2193289621. The next prime is 2193289673. The reversal of 2193289648 is 8469823912.

It is a junction number, because it is equal to n+sod(n) for n = 2193289595 and 2193289604.

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, 459273 + ... + 464023.

Almost surely, 2^2193289648 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 2193289648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2411202816).

2193289648 is an abundant number, since it is smaller than the sum of its proper divisors (2629115984).

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

2193289648 is a wasteful number, since it uses less digits than its factorization.

2193289648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874 (or 4868 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 2193289648 is about 46832.5703757545. The cubic root of 2193289648 is about 1299.2677627859.

The spelling of 2193289648 in words is "two billion, one hundred ninety-three million, two hundred eighty-nine thousand, six hundred forty-eight".