2081925136 has 20 divisors (see below), whose sum is σ = 4039505964. Its totient is φ = 1039472000.

The previous prime is 2081925127. The next prime is 2081925137. The reversal of 2081925136 is 6315291802.

It can be written as a sum of positive squares in 2 ways, for example, as 715883536 + 1366041600 = 26756^2 + 36960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2081925095 and 2081925104.

It is not an unprimeable number, because it can be changed into a prime (2081925137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81595 + ... + 104026.

Almost surely, 2^2081925136 is an apocalyptic number.

It is an amenable number.

2081925136 is a deficient number, since it is larger than the sum of its proper divisors (1957580828).

2081925136 is a wasteful number, since it uses less digits than its factorization.

2081925136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186330 (or 186324 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2081925136 is about 45628.1178222376. The cubic root of 2081925136 is about 1276.8945584886.

The spelling of 2081925136 in words is "two billion, eighty-one million, nine hundred twenty-five thousand, one hundred thirty-six".