2081594686 has 8 divisors (see below), whose sum is σ = 3122766000. Its totient is φ = 1040672688.

The previous prime is 2081594681. The next prime is 2081594687. The reversal of 2081594686 is 6864951802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081594681) 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, 39831 + ... + 75826.

It is an arithmetic number, because the mean of its divisors is an integer number (390345750).

Almost surely, 2^2081594686 is an apocalyptic number.

2081594686 is a deficient number, since it is larger than the sum of its proper divisors (1041171314).

2081594686 is a wasteful number, since it uses less digits than its factorization.

2081594686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124658.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2081594686 is about 45624.4965561265. The cubic root of 2081594686 is about 1276.8269972803.

The spelling of 2081594686 in words is "two billion, eighty-one million, five hundred ninety-four thousand, six hundred eighty-six".