2021330149 has 2 divisors, whose sum is σ = 2021330150. Its totient is φ = 2021330148.

The previous prime is 2021330089. The next prime is 2021330159. The reversal of 2021330149 is 9410331202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1706516100 + 314814049 = 41310^2 + 17743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021330149 - 2¹³ = 2021321957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021330159) by changing a digit.

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 as a sum of consecutive naturals, namely, 1010665074 + 1010665075.

It is an arithmetic number, because the mean of its divisors is an integer number (1010665075).

Almost surely, 2^2021330149 is an apocalyptic number.

It is an amenable number.

2021330149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021330149 is an equidigital number, since it uses as much as digits as its factorization.

2021330149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2021330149 is about 44959.2053866614. The cubic root of 2021330149 is about 1264.3842710587.

The spelling of 2021330149 in words is "two billion, twenty-one million, three hundred thirty thousand, one hundred forty-nine".