28361850343 has 4 divisors (see below), whose sum is σ = 28363067440. Its totient is φ = 28360633248.

The previous prime is 28361850323. The next prime is 28361850353. The reversal of 28361850343 is 34305816382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28361850343 - 2¹⁷ = 28361719271 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 28361850343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28361850323) 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, 572898 + ... + 620431.

It is an arithmetic number, because the mean of its divisors is an integer number (7090766860).

Almost surely, 2^28361850343 is an apocalyptic number.

28361850343 is a deficient number, since it is larger than the sum of its proper divisors (1217097).

28361850343 is a wasteful number, since it uses less digits than its factorization.

28361850343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217096.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 28361850343 in words is "twenty-eight billion, three hundred sixty-one million, eight hundred fifty thousand, three hundred forty-three".