28054485673 has 2 divisors, whose sum is σ = 28054485674. Its totient is φ = 28054485672.

The previous prime is 28054485623. The next prime is 28054485677. The reversal of 28054485673 is 37658445082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27057947049 + 996538624 = 164493^2 + 31568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28054485673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28054485673.

It is not a weakly prime, because it can be changed into another prime (28054485677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027242836 + 14027242837.

It is an arithmetic number, because the mean of its divisors is an integer number (14027242837).

Almost surely, 2^28054485673 is an apocalyptic number.

It is an amenable number.

28054485673 is a deficient number, since it is larger than the sum of its proper divisors (1).

28054485673 is an equidigital number, since it uses as much as digits as its factorization.

28054485673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 28054485673 in words is "twenty-eight billion, fifty-four million, four hundred eighty-five thousand, six hundred seventy-three".