28605094469 has 8 divisors (see below), whose sum is σ = 32723009280. Its totient is φ = 24495047856.

The previous prime is 28605094433. The next prime is 28605094517. The reversal of 28605094469 is 96449050682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28605094469 - 2²⁰ = 28604045893 is a prime.

It is a super-2 number, since 2×28605094469² (a number of 22 digits) contains 22 as substring.

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 28605094469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28605094169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959254 + ... + 1973799.

It is an arithmetic number, because the mean of its divisors is an integer number (4090376160).

Almost surely, 2^28605094469 is an apocalyptic number.

It is an amenable number.

28605094469 is a deficient number, since it is larger than the sum of its proper divisors (4117914811).

28605094469 is a wasteful number, since it uses less digits than its factorization.

28605094469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934099.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 28605094469 in words is "twenty-eight billion, six hundred five million, ninety-four thousand, four hundred sixty-nine".