2128466085 has 8 divisors (see below), whose sum is σ = 3405545760. Its totient is φ = 1135181904.

The previous prime is 2128466083. The next prime is 2128466099. The reversal of 2128466085 is 5806648212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2128466085 - 2¹ = 2128466083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128466083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70948855 + ... + 70948884.

It is an arithmetic number, because the mean of its divisors is an integer number (425693220).

Almost surely, 2^2128466085 is an apocalyptic number.

It is an amenable number.

2128466085 is a deficient number, since it is larger than the sum of its proper divisors (1277079675).

2128466085 is a wasteful number, since it uses less digits than its factorization.

2128466085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141897747.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2128466085 is about 46135.3019389708. The cubic root of 2128466085 is about 1286.3394180220.

The spelling of 2128466085 in words is "two billion, one hundred twenty-eight million, four hundred sixty-six thousand, eighty-five".