10326507533 has 4 divisors (see below), whose sum is σ = 10342130748. Its totient is φ = 10310884320.

The previous prime is 10326507487. The next prime is 10326507559. The reversal of 10326507533 is 33570562301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7454940964 + 2871566569 = 86342^2 + 53587^2 .

It is a cyclic number.

It is not a de Polignac number, because 10326507533 - 2⁶ = 10326507469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10326507493 and 10326507502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10326503533) 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, 7810616 + ... + 7811937.

It is an arithmetic number, because the mean of its divisors is an integer number (2585532687).

Almost surely, 2^10326507533 is an apocalyptic number.

It is an amenable number.

10326507533 is a deficient number, since it is larger than the sum of its proper divisors (15623215).

10326507533 is an equidigital number, since it uses as much as digits as its factorization.

10326507533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15623214.

The product of its (nonzero) digits is 56700, while the sum is 35.

The spelling of 10326507533 in words is "ten billion, three hundred twenty-six million, five hundred seven thousand, five hundred thirty-three".