10021530443 has 2 divisors, whose sum is σ = 10021530444. Its totient is φ = 10021530442.

The previous prime is 10021530403. The next prime is 10021530451. The reversal of 10021530443 is 34403512001.

10021530443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021530443 - 2⁸ = 10021530187 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021530403) 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, 5010765221 + 5010765222.

It is an arithmetic number, because the mean of its divisors is an integer number (5010765222).

Almost surely, 2^10021530443 is an apocalyptic number.

10021530443 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021530443 is an equidigital number, since it uses as much as digits as its factorization.

10021530443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 10021530443 in words is "ten billion, twenty-one million, five hundred thirty thousand, four hundred forty-three".