2021854762 has 8 divisors (see below), whose sum is σ = 3049725600. Its totient is φ = 1005279564.

The previous prime is 2021854739. The next prime is 2021854777. The reversal of 2021854762 is 2674581202.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823462 + ... + 2824177.

It is an arithmetic number, because the mean of its divisors is an integer number (381215700).

Almost surely, 2^2021854762 is an apocalyptic number.

2021854762 is a deficient number, since it is larger than the sum of its proper divisors (1027870838).

2021854762 is a wasteful number, since it uses less digits than its factorization.

2021854762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647820.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2021854762 is about 44965.0393305733. The cubic root of 2021854762 is about 1264.4936470636.

The spelling of 2021854762 in words is "two billion, twenty-one million, eight hundred fifty-four thousand, seven hundred sixty-two".