2104681886 has 8 divisors (see below), whose sum is σ = 3157275000. Its totient is φ = 1052256888.

The previous prime is 2104681877. The next prime is 2104681903. The reversal of 2104681886 is 6881864012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3761 + ... + 64988.

It is an arithmetic number, because the mean of its divisors is an integer number (394659375).

Almost surely, 2^2104681886 is an apocalyptic number.

2104681886 is a deficient number, since it is larger than the sum of its proper divisors (1052593114).

2104681886 is a wasteful number, since it uses less digits than its factorization.

2104681886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84058.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2104681886 is about 45876.8120732032. The cubic root of 2104681886 is about 1281.5301293623.

The spelling of 2104681886 in words is "two billion, one hundred four million, six hundred eighty-one thousand, eight hundred eighty-six".