2081589986 has 32 divisors (see below), whose sum is σ = 3631934208. Its totient is φ = 876277440.

The previous prime is 2081589971. The next prime is 2081589997. The reversal of 2081589986 is 6899851802.

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, 906656 + ... + 908948.

It is an arithmetic number, because the mean of its divisors is an integer number (113497944).

Almost surely, 2^2081589986 is an apocalyptic number.

2081589986 is a deficient number, since it is larger than the sum of its proper divisors (1550344222).

2081589986 is a wasteful number, since it uses less digits than its factorization.

2081589986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The square root of 2081589986 is about 45624.4450486798. The cubic root of 2081589986 is about 1276.8260363037.

The spelling of 2081589986 in words is "two billion, eighty-one million, five hundred eighty-nine thousand, nine hundred eighty-six".