28633633682 has 4 divisors (see below), whose sum is σ = 42950450526. Its totient is φ = 14316816840.

The previous prime is 28633633627. The next prime is 28633633723.

It is a happy number.

28633633682 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 21309868441 + 7323765241 = 145979^2 + 85579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28633633682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7158408419 + ... + 7158408422.

Almost surely, 2^28633633682 is an apocalyptic number.

28633633682 is a deficient number, since it is larger than the sum of its proper divisors (14316816844).

28633633682 is a wasteful number, since it uses less digits than its factorization.

28633633682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316816843.

The product of its digits is 4478976, while the sum is 50.

The spelling of 28633633682 in words is "twenty-eight billion, six hundred thirty-three million, six hundred thirty-three thousand, six hundred eighty-two".