2105868832 has 12 divisors (see below), whose sum is σ = 4145929326. Its totient is φ = 1052934400.

The previous prime is 2105868823. The next prime is 2105868833. The reversal of 2105868832 is 2388685012.

It can be written as a sum of positive squares in only one way, i.e., 2098006416 + 7862416 = 45804^2 + 2804^2 .

It is not an unprimeable number, because it can be changed into a prime (2105868833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32904169 + ... + 32904232.

Almost surely, 2^2105868832 is an apocalyptic number.

It is an amenable number.

2105868832 is a deficient number, since it is larger than the sum of its proper divisors (2040060494).

2105868832 is an equidigital number, since it uses as much as digits as its factorization.

2105868832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65808411 (or 65808403 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 2105868832 is about 45889.7464800145. The cubic root of 2105868832 is about 1281.7709925564.

The spelling of 2105868832 in words is "two billion, one hundred five million, eight hundred sixty-eight thousand, eight hundred thirty-two".