2061845992 has 16 divisors (see below), whose sum is σ = 3868163460. Its totient is φ = 1030335744.

The previous prime is 2061845987. The next prime is 2061845999. The reversal of 2061845992 is 2995481602.

It can be written as a sum of positive squares in 2 ways, for example, as 2003994756 + 57851236 = 44766^2 + 7606^2 .

It is not an unprimeable number, because it can be changed into a prime (2061845999) 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 in 3 ways as a sum of consecutive naturals, for example, 58303 + ... + 86734.

Almost surely, 2^2061845992 is an apocalyptic number.

It is an amenable number.

2061845992 is a deficient number, since it is larger than the sum of its proper divisors (1806317468).

2061845992 is a wasteful number, since it uses less digits than its factorization.

2061845992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146820 (or 146816 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2061845992 is about 45407.5543494692. The cubic root of 2061845992 is about 1272.7762837267.

The spelling of 2061845992 in words is "two billion, sixty-one million, eight hundred forty-five thousand, nine hundred ninety-two".