2021486885 has 16 divisors (see below), whose sum is σ = 2649438720. Its totient is φ = 1468434240.

The previous prime is 2021486879. The next prime is 2021486899. The reversal of 2021486885 is 5886841202.

It is not a de Polignac number, because 2021486885 - 2¹⁶ = 2021421349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26171 + ... + 68759.

It is an arithmetic number, because the mean of its divisors is an integer number (165589920).

Almost surely, 2^2021486885 is an apocalyptic number.

It is an amenable number.

2021486885 is a deficient number, since it is larger than the sum of its proper divisors (627951835).

2021486885 is a wasteful number, since it uses less digits than its factorization.

2021486885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43468.

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 2021486885 is about 44960.9484441776. The cubic root of 2021486885 is about 1264.4169507625.

The spelling of 2021486885 in words is "two billion, twenty-one million, four hundred eighty-six thousand, eight hundred eighty-five".