28144006269 has 16 divisors (see below), whose sum is σ = 37693153344. Its totient is φ = 18678816000.

The previous prime is 28144006259. The next prime is 28144006313. The reversal of 28144006269 is 96260044182.

It is not a de Polignac number, because 28144006269 - 2²⁹ = 27607135357 is a prime.

It is a super-2 number, since 2×28144006269² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28144006269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28144006259) 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 15 ways as a sum of consecutive naturals, for example, 4226947 + ... + 4233599.

It is an arithmetic number, because the mean of its divisors is an integer number (2355822084).

Almost surely, 2^28144006269 is an apocalyptic number.

It is an amenable number.

28144006269 is a deficient number, since it is larger than the sum of its proper divisors (9549147075).

28144006269 is a wasteful number, since it uses less digits than its factorization.

28144006269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 28144006269 in words is "twenty-eight billion, one hundred forty-four million, six thousand, two hundred sixty-nine".