2061849912 has 16 divisors (see below), whose sum is σ = 5154624840. Its totient is φ = 687283296.

The previous prime is 2061849899. The next prime is 2061849929. The reversal of 2061849912 is 2199481602.

It is a super-2 number, since 2×2061849912² = 8502450119228815488, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 42955183 + ... + 42955230.

Almost surely, 2^2061849912 is an apocalyptic number.

It is an amenable number.

2061849912 is an abundant number, since it is smaller than the sum of its proper divisors (3092774928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2061849912 is a wasteful number, since it uses less digits than its factorization.

2061849912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85910422 (or 85910418 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2061849912 is about 45407.5975140725. The cubic root of 2061849912 is about 1272.7770903308. Note that the first 3 decimals are identical.

The spelling of 2061849912 in words is "two billion, sixty-one million, eight hundred forty-nine thousand, nine hundred twelve".