28753572593 has 2 divisors, whose sum is σ = 28753572594. Its totient is φ = 28753572592.

The previous prime is 28753572581. The next prime is 28753572629. The reversal of 28753572593 is 39527535782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24121817344 + 4631755249 = 155312^2 + 68057^2 .

It is a cyclic number.

It is not a de Polignac number, because 28753572593 - 2¹⁰ = 28753571569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28753572293) 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 as a sum of consecutive naturals, namely, 14376786296 + 14376786297.

It is an arithmetic number, because the mean of its divisors is an integer number (14376786297).

Almost surely, 2^28753572593 is an apocalyptic number.

It is an amenable number.

28753572593 is a deficient number, since it is larger than the sum of its proper divisors (1).

28753572593 is an equidigital number, since it uses as much as digits as its factorization.

28753572593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876000, while the sum is 56.

The spelling of 28753572593 in words is "twenty-eight billion, seven hundred fifty-three million, five hundred seventy-two thousand, five hundred ninety-three".