2043795861 has 8 divisors (see below), whose sum is σ = 3027845760. Its totient is φ = 1362530556.

The previous prime is 2043795829. The next prime is 2043795883. The reversal of 2043795861 is 1685973402.

2043795861 is a `hidden beast` number, since 20 + 43 + 7 + 9 + 586 + 1 = 666.

2043795861 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2043795861 - 2⁵ = 2043795829 is a prime.

2043795861 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043795821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37848045 + ... + 37848098.

It is an arithmetic number, because the mean of its divisors is an integer number (378480720).

It is a 1-persistent number, because it is pandigital, but 2⋅2043795861 = 4087591722 is not.

Almost surely, 2^2043795861 is an apocalyptic number.

It is an amenable number.

2043795861 is a deficient number, since it is larger than the sum of its proper divisors (984049899).

2043795861 is an equidigital number, since it uses as much as digits as its factorization.

2043795861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75696152 (or 75696146 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2043795861 is about 45208.3605210364. The cubic root of 2043795861 is about 1269.0512808388.

The spelling of 2043795861 in words is "two billion, forty-three million, seven hundred ninety-five thousand, eight hundred sixty-one".