10443221533 has 16 divisors (see below), whose sum is σ = 11350188720. Its totient is φ = 9571968000.

The previous prime is 10443221521. The next prime is 10443221563. The reversal of 10443221533 is 33512234401.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2072252484 + 8370969049 = 45522^2 + 91493^2 .

It is a cyclic number.

It is not a de Polignac number, because 10443221533 - 2⁵ = 10443221501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10443221513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54883 + ... + 154591.

It is an arithmetic number, because the mean of its divisors is an integer number (709386795).

Almost surely, 2^10443221533 is an apocalyptic number.

It is an amenable number.

10443221533 is a deficient number, since it is larger than the sum of its proper divisors (906967187).

10443221533 is a wasteful number, since it uses less digits than its factorization.

10443221533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99888.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 10443221533 its reverse (33512234401), we get a palindrome (43955455934).

The spelling of 10443221533 in words is "ten billion, four hundred forty-three million, two hundred twenty-one thousand, five hundred thirty-three".