2105879841 has 12 divisors (see below), whose sum is σ = 3275813268. Its totient is φ = 1295925984.

The previous prime is 2105879833. The next prime is 2105879873. The reversal of 2105879841 is 1489785012.

2105879841 is a `hidden beast` number, since 21 + 0 + 587 + 9 + 8 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1163082816 + 942797025 = 34104^2 + 30705^2 .

It is not a de Polignac number, because 2105879841 - 2³ = 2105879833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2105859841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8999370 + ... + 8999603.

It is an arithmetic number, because the mean of its divisors is an integer number (272984439).

Almost surely, 2^2105879841 is an apocalyptic number.

It is an amenable number.

2105879841 is a deficient number, since it is larger than the sum of its proper divisors (1169933427).

2105879841 is a wasteful number, since it uses less digits than its factorization.

2105879841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998992 (or 17998989 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 2105879841 is about 45889.8664304005. The cubic root of 2105879841 is about 1281.7732261543.

The spelling of 2105879841 in words is "two billion, one hundred five million, eight hundred seventy-nine thousand, eight hundred forty-one".