28600317428689 has 2 divisors, whose sum is σ = 28600317428690. Its totient is φ = 28600317428688.

The previous prime is 28600317428651. The next prime is 28600317428729. The reversal of 28600317428689 is 98682471300682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14706396651664 + 13893920777025 = 3834892^2 + 3727455^2 .

It is a cyclic number.

It is not a de Polignac number, because 28600317428689 - 2⁷ = 28600317428561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28600317428689.

It is not a weakly prime, because it can be changed into another prime (28600317425689) 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, 14300158714344 + 14300158714345.

It is an arithmetic number, because the mean of its divisors is an integer number (14300158714345).

Almost surely, 2^{28600317428689} is an apocalyptic number.

It is an amenable number.

28600317428689 is a deficient number, since it is larger than the sum of its proper divisors (1).

28600317428689 is an equidigital number, since it uses as much as digits as its factorization.

28600317428689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 28600317428689 in words is "twenty-eight trillion, six hundred billion, three hundred seventeen million, four hundred twenty-eight thousand, six hundred eighty-nine".