28532734333 has 4 divisors (see below), whose sum is σ = 28533076668. Its totient is φ = 28532392000.

The previous prime is 28532734331. The next prime is 28532734343. The reversal of 28532734333 is 33343723582.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1174912729 + 27357821604 = 34277^2 + 165402^2 .

It is a cyclic number.

It is not a de Polignac number, because 28532734333 - 2¹ = 28532734331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28532734333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28532734331) 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, 44085 + ... + 242917.

It is an arithmetic number, because the mean of its divisors is an integer number (7133269167).

Almost surely, 2^28532734333 is an apocalyptic number.

It is an amenable number.

28532734333 is a deficient number, since it is larger than the sum of its proper divisors (342335).

28532734333 is a wasteful number, since it uses less digits than its factorization.

28532734333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342334.

The product of its digits is 1088640, while the sum is 43.

The spelling of 28532734333 in words is "twenty-eight billion, five hundred thirty-two million, seven hundred thirty-four thousand, three hundred thirty-three".