28213633631282 has 8 divisors (see below), whose sum is σ = 46167764123952. Its totient is φ = 12824378923300.

The previous prime is 28213633631279. The next prime is 28213633631357.

28213633631282 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28213633631282.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 641218946144 + ... + 641218946187.

It is an arithmetic number, because the mean of its divisors is an integer number (5770970515494).

Almost surely, 2^{28213633631282} is an apocalyptic number.

28213633631282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28213633631282 is a deficient number, since it is larger than the sum of its proper divisors (17954130492670).

28213633631282 is a wasteful number, since it uses less digits than its factorization.

28213633631282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282437892344.

The product of its digits is 2985984, while the sum is 50.

The spelling of 28213633631282 in words is "twenty-eight trillion, two hundred thirteen billion, six hundred thirty-three million, six hundred thirty-one thousand, two hundred eighty-two".