2099217832 has 8 divisors (see below), whose sum is σ = 3936033450. Its totient is φ = 1049608912.

The previous prime is 2099217781. The next prime is 2099217833. The reversal of 2099217832 is 2387129902.

It can be written as a sum of positive squares in only one way, i.e., 2098189636 + 1028196 = 45806^2 + 1014^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2099217833) by changing a digit.

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, 131201107 + ... + 131201122.

Almost surely, 2^2099217832 is an apocalyptic number.

It is an amenable number.

2099217832 is a deficient number, since it is larger than the sum of its proper divisors (1836815618).

2099217832 is a wasteful number, since it uses less digits than its factorization.

2099217832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262402235 (or 262402231 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2099217832 is about 45817.2220022122. Note that the first 3 decimals coincide. The cubic root of 2099217832 is about 1280.4201566659.

The spelling of 2099217832 in words is "two billion, ninety-nine million, two hundred seventeen thousand, eight hundred thirty-two".