2128733000 has 32 divisors (see below), whose sum is σ = 4981237560. Its totient is φ = 851492800.

The previous prime is 2128732993. The next prime is 2128733011. The reversal of 2128733000 is 3378212.

It can be written as a sum of positive squares in 4 ways, for example, as 267845956 + 1860887044 = 16366^2 + 43138^2 .

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 7 ways as a sum of consecutive naturals, for example, 1063367 + ... + 1065366.

Almost surely, 2^2128733000 is an apocalyptic number.

2128733000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2128733000 is an abundant number, since it is smaller than the sum of its proper divisors (2852504560).

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

2128733000 is a wasteful number, since it uses less digits than its factorization.

2128733000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128754 (or 2128740 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2128733000 is about 46138.1945897323. The cubic root of 2128733000 is about 1286.3931858406.

The spelling of 2128733000 in words is "two billion, one hundred twenty-eight million, seven hundred thirty-three thousand".