28654045682 has 4 divisors (see below), whose sum is σ = 42981068526. Its totient is φ = 14327022840.

The previous prime is 28654045627. The next prime is 28654045691.

28654045682 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., 22126860001 + 6527185681 = 148751^2 + 80791^2 .

It is a super-2 number, since 2×28654045682² (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 28654045682.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7163511419 + ... + 7163511422.

Almost surely, 2^28654045682 is an apocalyptic number.

28654045682 is a deficient number, since it is larger than the sum of its proper divisors (14327022844).

28654045682 is a wasteful number, since it uses less digits than its factorization.

28654045682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14327022843.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 28654045682 in words is "twenty-eight billion, six hundred fifty-four million, forty-five thousand, six hundred eighty-two".