2193542384 has 80 divisors (see below), whose sum is σ = 4885830144. Its totient is φ = 944275200.

The previous prime is 2193542369. The next prime is 2193542473. The reversal of 2193542384 is 4832453912.

2193542384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 414314 + ... + 419574.

Almost surely, 2^2193542384 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 2193542384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2442915072).

2193542384 is an abundant number, since it is smaller than the sum of its proper divisors (2692287760).

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

2193542384 is a wasteful number, since it uses less digits than its factorization.

2193542384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406 (or 5400 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 2193542384 is about 46835.2685910949. The cubic root of 2193542384 is about 1299.3176663824.

The spelling of 2193542384 in words is "two billion, one hundred ninety-three million, five hundred forty-two thousand, three hundred eighty-four".