2021983280899 has 4 divisors (see below), whose sum is σ = 2022067027600. Its totient is φ = 2021899534200.

The previous prime is 2021983280879. The next prime is 2021983280921. The reversal of 2021983280899 is 9980823891202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021983280899 - 2⁷ = 2021983280771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021983280809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41837124 + ... + 41885425.

It is an arithmetic number, because the mean of its divisors is an integer number (505516756900).

Almost surely, 2^{2021983280899} is an apocalyptic number.

2021983280899 is a deficient number, since it is larger than the sum of its proper divisors (83746701).

2021983280899 is an equidigital number, since it uses as much as digits as its factorization.

2021983280899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83746700.

The product of its (nonzero) digits is 8957952, while the sum is 61.

The spelling of 2021983280899 in words is "two trillion, twenty-one billion, nine hundred eighty-three million, two hundred eighty thousand, eight hundred ninety-nine".