28452560659 has 16 divisors (see below), whose sum is σ = 28986630400. Its totient is φ = 27924194016.

The previous prime is 28452560623. The next prime is 28452560671. The reversal of 28452560659 is 95606525482.

It is a cyclic number.

It is not a de Polignac number, because 28452560659 - 2²¹ = 28450463507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28452560959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10149352 + ... + 10152154.

It is an arithmetic number, because the mean of its divisors is an integer number (1811664400).

Almost surely, 2^28452560659 is an apocalyptic number.

28452560659 is a deficient number, since it is larger than the sum of its proper divisors (534069741).

28452560659 is a wasteful number, since it uses less digits than its factorization.

28452560659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754.

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 28452560659 in words is "twenty-eight billion, four hundred fifty-two million, five hundred sixty thousand, six hundred fifty-nine".