28429175233 has 4 divisors (see below), whose sum is σ = 28895227348. Its totient is φ = 27963123120.

The previous prime is 28429175227. The next prime is 28429175237. The reversal of 28429175233 is 33257192482.

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 13728340224 + 14700835009 = 117168^2 + 121247^2 .

It is a cyclic number.

It is not a de Polignac number, because 28429175233 - 2²⁵ = 28395620801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28429175237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233025966 + ... + 233026087.

It is an arithmetic number, because the mean of its divisors is an integer number (7223806837).

Almost surely, 2^28429175233 is an apocalyptic number.

It is an amenable number.

28429175233 is a deficient number, since it is larger than the sum of its proper divisors (466052115).

28429175233 is an equidigital number, since it uses as much as digits as its factorization.

28429175233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466052114.

The product of its digits is 725760, while the sum is 46.

The spelling of 28429175233 in words is "twenty-eight billion, four hundred twenty-nine million, one hundred seventy-five thousand, two hundred thirty-three".