28317733073 has 16 divisors (see below), whose sum is σ = 33059051520. Its totient is φ = 23750626896.

The previous prime is 28317733049. The next prime is 28317733127. The reversal of 28317733073 is 37033771382.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28317733073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28317733373) by changing a digit.

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, 2369090 + ... + 2381012.

It is an arithmetic number, because the mean of its divisors is an integer number (2066190720).

Almost surely, 2^28317733073 is an apocalyptic number.

It is an amenable number.

28317733073 is a deficient number, since it is larger than the sum of its proper divisors (4741318447).

28317733073 is a wasteful number, since it uses less digits than its factorization.

28317733073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19196.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 28317733073 in words is "twenty-eight billion, three hundred seventeen million, seven hundred thirty-three thousand, seventy-three".