2128199608 has 16 divisors (see below), whose sum is σ = 4008271680. Its totient is φ = 1059327168.

The previous prime is 2128199599. The next prime is 2128199609. The reversal of 2128199608 is 8069918212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128199609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594685 + ... + 598252.

It is an arithmetic number, because the mean of its divisors is an integer number (250516980).

Almost surely, 2^2128199608 is an apocalyptic number.

It is an amenable number.

2128199608 is a deficient number, since it is larger than the sum of its proper divisors (1880072072).

2128199608 is a wasteful number, since it uses less digits than its factorization.

2128199608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193166 (or 1193162 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 2128199608 is about 46132.4138540354. The cubic root of 2128199608 is about 1286.2857339508.

The spelling of 2128199608 in words is "two billion, one hundred twenty-eight million, one hundred ninety-nine thousand, six hundred eight".