28317733373 has 2 divisors, whose sum is σ = 28317733374. Its totient is φ = 28317733372.

The previous prime is 28317733369. The next prime is 28317733387. The reversal of 28317733373 is 37333771382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27013223449 + 1304509924 = 164357^2 + 36118^2 .

It is a cyclic number.

It is not a de Polignac number, because 28317733373 - 2² = 28317733369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28317733303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158866686 + 14158866687.

It is an arithmetic number, because the mean of its divisors is an integer number (14158866687).

Almost surely, 2^28317733373 is an apocalyptic number.

It is an amenable number.

28317733373 is a deficient number, since it is larger than the sum of its proper divisors (1).

28317733373 is an equidigital number, since it uses as much as digits as its factorization.

28317733373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 47.

The spelling of 28317733373 in words is "twenty-eight billion, three hundred seventeen million, seven hundred thirty-three thousand, three hundred seventy-three".