28482334209 has 64 divisors (see below), whose sum is σ = 48783482880. Its totient is φ = 16087377600.

The previous prime is 28482334207. The next prime is 28482334267. The reversal of 28482334209 is 90243328482.

28482334209 is a `hidden beast` number, since 284 + 8 + 23 + 342 + 0 + 9 = 666.

It is not a de Polignac number, because 28482334209 - 2¹ = 28482334207 is a prime.

It is a super-2 number, since 2×28482334209² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28482334207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18458292 + ... + 18459834.

It is an arithmetic number, because the mean of its divisors is an integer number (762241920).

Almost surely, 2^28482334209 is an apocalyptic number.

It is an amenable number.

28482334209 is a deficient number, since it is larger than the sum of its proper divisors (20301148671).

28482334209 is a wasteful number, since it uses less digits than its factorization.

28482334209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 28482334209 in words is "twenty-eight billion, four hundred eighty-two million, three hundred thirty-four thousand, two hundred nine".