2128911050 has 192 divisors, whose sum is σ = 5142528000. Its totient is φ = 638668800.

The previous prime is 2128911023. The next prime is 2128911053. The reversal of 2128911050 is 501198212.

It is not an unprimeable number, because it can be changed into a prime (2128911053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4741226 + ... + 4741674.

It is an arithmetic number, because the mean of its divisors is an integer number (26784000).

Almost surely, 2^2128911050 is an apocalyptic number.

2128911050 is an abundant number, since it is smaller than the sum of its proper divisors (3013616950).

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

2128911050 is a wasteful number, since it uses less digits than its factorization.

2128911050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 2128911050 is about 46140.1240787235. The cubic root of 2128911050 is about 1286.4290500411.

The spelling of 2128911050 in words is "two billion, one hundred twenty-eight million, nine hundred eleven thousand, fifty".