2081886842 has 32 divisors (see below), whose sum is σ = 3657830400. Its totient is φ = 870290928.

The previous prime is 2081886757. The next prime is 2081886869. The reversal of 2081886842 is 2486881802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80459 + ... + 103137.

It is an arithmetic number, because the mean of its divisors is an integer number (114307200).

Almost surely, 2^2081886842 is an apocalyptic number.

2081886842 is a deficient number, since it is larger than the sum of its proper divisors (1575943558).

2081886842 is a wasteful number, since it uses less digits than its factorization.

2081886842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22850.

The product of its (nonzero) digits is 393216, while the sum is 47.

The square root of 2081886842 is about 45627.6981887099. The cubic root of 2081886842 is about 1276.8867295647.

The spelling of 2081886842 in words is "two billion, eighty-one million, eight hundred eighty-six thousand, eight hundred forty-two".