2081731952 has 20 divisors (see below), whose sum is σ = 4044923400. Its totient is φ = 1037880768.

The previous prime is 2081731919. The next prime is 2081732011. The reversal of 2081731952 is 2591371802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180818 + ... + 191985.

It is an arithmetic number, because the mean of its divisors is an integer number (202246170).

Almost surely, 2^2081731952 is an apocalyptic number.

It is an amenable number.

2081731952 is a deficient number, since it is larger than the sum of its proper divisors (1963191448).

2081731952 is a wasteful number, since it uses less digits than its factorization.

2081731952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373160 (or 373154 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2081731952 is about 45626.0008328585. Note that the first 3 decimals coincide. The cubic root of 2081731952 is about 1276.8550624753.

The spelling of 2081731952 in words is "two billion, eighty-one million, seven hundred thirty-one thousand, nine hundred fifty-two".