2128689083 has 4 divisors (see below), whose sum is σ = 2137170168. Its totient is φ = 2120208000.

The previous prime is 2128689067. The next prime is 2128689089. The reversal of 2128689083 is 3809868212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2128689083 - 2⁴ = 2128689067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128689089) 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, 4240166 + ... + 4240667.

It is an arithmetic number, because the mean of its divisors is an integer number (534292542).

Almost surely, 2^2128689083 is an apocalyptic number.

2128689083 is a deficient number, since it is larger than the sum of its proper divisors (8481085).

2128689083 is an equidigital number, since it uses as much as digits as its factorization.

2128689083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481084.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 2128689083 is about 46137.7186583819. The cubic root of 2128689083 is about 1286.3843394332.

The spelling of 2128689083 in words is "two billion, one hundred twenty-eight million, six hundred eighty-nine thousand, eighty-three".