2021330089 has 2 divisors, whose sum is σ = 2021330090. Its totient is φ = 2021330088.

The previous prime is 2021330023. The next prime is 2021330149. The reversal of 2021330089 is 9800331202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1292762025 + 728568064 = 35955^2 + 26992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021330089 - 2¹¹ = 2021328041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021330009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010665044 + 1010665045.

It is an arithmetic number, because the mean of its divisors is an integer number (1010665045).

Almost surely, 2^2021330089 is an apocalyptic number.

It is an amenable number.

2021330089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021330089 is an equidigital number, since it uses as much as digits as its factorization.

2021330089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2021330089 is about 44959.2047193898. The cubic root of 2021330089 is about 1264.3842585483.

The spelling of 2021330089 in words is "two billion, twenty-one million, three hundred thirty thousand, eighty-nine".