2089129912 has 8 divisors (see below), whose sum is σ = 3917118600. Its totient is φ = 1044564952.

The previous prime is 2089129909. The next prime is 2089129963. The reversal of 2089129912 is 2199219802.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 130570612 + ... + 130570627.

It is an arithmetic number, because the mean of its divisors is an integer number (489639825).

Almost surely, 2^2089129912 is an apocalyptic number.

It is an amenable number.

2089129912 is a deficient number, since it is larger than the sum of its proper divisors (1827988688).

2089129912 is a wasteful number, since it uses less digits than its factorization.

2089129912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261141245 (or 261141241 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 2089129912 is about 45707.0006891723. Note that the first 3 decimals coincide. The cubic root of 2089129912 is about 1278.3658165346.

The spelling of 2089129912 in words is "two billion, eighty-nine million, one hundred twenty-nine thousand, nine hundred twelve".