2030443521 has 4 divisors (see below), whose sum is σ = 2707258032. Its totient is φ = 1353629012.

The previous prime is 2030443507. The next prime is 2030443537. The reversal of 2030443521 is 1253440302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2030443521 - 2¹⁹ = 2029919233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2030443491 and 2030443500.

It is not an unprimeable number, because it can be changed into a prime (2030443421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338407251 + ... + 338407256.

It is an arithmetic number, because the mean of its divisors is an integer number (676814508).

Almost surely, 2^2030443521 is an apocalyptic number.

It is an amenable number.

2030443521 is a deficient number, since it is larger than the sum of its proper divisors (676814511).

2030443521 is an equidigital number, since it uses as much as digits as its factorization.

2030443521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676814510.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2030443521 is about 45060.4429738546. The cubic root of 2030443521 is about 1266.2816240173.

Adding to 2030443521 its reverse (1253440302), we get a palindrome (3283883823).

The spelling of 2030443521 in words is "two billion, thirty million, four hundred forty-three thousand, five hundred twenty-one".