2193755328 has 84 divisors (see below), whose sum is σ = 6337726720. Its totient is φ = 725469696.

The previous prime is 2193755323. The next prime is 2193755329. The reversal of 2193755328 is 8235573912.

2193755328 is a `hidden beast` number, since 2 + 1 + 93 + 7 + 553 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193755323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58158 + ... + 88146.

Almost surely, 2^2193755328 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 2193755328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3168863360).

2193755328 is an abundant number, since it is smaller than the sum of its proper divisors (4143971392).

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

2193755328 is a wasteful number, since it uses less digits than its factorization.

2193755328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30134 (or 30121 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 2193755328 is about 46837.5418654737. The cubic root of 2193755328 is about 1299.3597099357.

The spelling of 2193755328 in words is "two billion, one hundred ninety-three million, seven hundred fifty-five thousand, three hundred twenty-eight".