2030075821 has 2 divisors, whose sum is σ = 2030075822. Its totient is φ = 2030075820.

The previous prime is 2030075753. The next prime is 2030075851. The reversal of 2030075821 is 1285700302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1404375625 + 625700196 = 37475^2 + 25014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030075821 - 2¹³ = 2030067629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2030075821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030075851) 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, 1015037910 + 1015037911.

It is an arithmetic number, because the mean of its divisors is an integer number (1015037911).

Almost surely, 2^2030075821 is an apocalyptic number.

It is an amenable number.

2030075821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030075821 is an equidigital number, since it uses as much as digits as its factorization.

2030075821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2030075821 is about 45056.3627138277. The cubic root of 2030075821 is about 1266.2051809713.

The spelling of 2030075821 in words is "two billion, thirty million, seventy-five thousand, eight hundred twenty-one".