28314253745 has 16 divisors (see below), whose sum is σ = 34236206928. Its totient is φ = 22478776320.

The previous prime is 28314253717. The next prime is 28314253823. The reversal of 28314253745 is 54735241382.

It can be written as a sum of positive squares in 8 ways, for example, as 10407264256 + 17906989489 = 102016^2 + 133817^2 .

It is not a de Polignac number, because 28314253745 - 2¹⁶ = 28314188209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28314253696 and 28314253705.

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 in 15 ways as a sum of consecutive naturals, for example, 3295355 + ... + 3303935.

It is an arithmetic number, because the mean of its divisors is an integer number (2139762933).

Almost surely, 2^28314253745 is an apocalyptic number.

It is an amenable number.

28314253745 is a deficient number, since it is larger than the sum of its proper divisors (5921953183).

28314253745 is a wasteful number, since it uses less digits than its factorization.

28314253745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540.

The product of its digits is 806400, while the sum is 44.

The spelling of 28314253745 in words is "twenty-eight billion, three hundred fourteen million, two hundred fifty-three thousand, seven hundred forty-five".