28058004249 has 16 divisors (see below), whose sum is σ = 40834928640. Its totient is φ = 16995148560.

The previous prime is 28058004239. The next prime is 28058004251. The reversal of 28058004249 is 94240085082.

It is not a de Polignac number, because 28058004249 - 2⁵ = 28058004217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28058004249.

It is not an unprimeable number, because it can be changed into a prime (28058004239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183637 + ... + 299730.

It is an arithmetic number, because the mean of its divisors is an integer number (2552183040).

Almost surely, 2^28058004249 is an apocalyptic number.

It is an amenable number.

28058004249 is a deficient number, since it is larger than the sum of its proper divisors (12776924391).

28058004249 is a wasteful number, since it uses less digits than its factorization.

28058004249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485140.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 28058004249 in words is "twenty-eight billion, fifty-eight million, four thousand, two hundred forty-nine".