2081965854 has 16 divisors (see below), whose sum is σ = 4307515920. Its totient is φ = 670057920.

The previous prime is 2081965849. The next prime is 2081965861. The reversal of 2081965854 is 4585691802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5982487 + ... + 5982834.

It is an arithmetic number, because the mean of its divisors is an integer number (269219745).

Almost surely, 2^2081965854 is an apocalyptic number.

2081965854 is an abundant number, since it is smaller than the sum of its proper divisors (2225550066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2081965854 is a wasteful number, since it uses less digits than its factorization.

2081965854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11965355.

The product of its (nonzero) digits is 691200, while the sum is 48.

The square root of 2081965854 is about 45628.5640142225. The cubic root of 2081965854 is about 1276.9028828759.

The spelling of 2081965854 in words is "two billion, eighty-one million, nine hundred sixty-five thousand, eight hundred fifty-four".