28594065133 has 2 divisors, whose sum is σ = 28594065134. Its totient is φ = 28594065132.

The previous prime is 28594065109. The next prime is 28594065151. The reversal of 28594065133 is 33156049582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27339630409 + 1254434724 = 165347^2 + 35418^2 .

It is a cyclic number.

It is not a de Polignac number, because 28594065133 - 2²¹ = 28591967981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28594065173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14297032566 + 14297032567.

It is an arithmetic number, because the mean of its divisors is an integer number (14297032567).

Almost surely, 2^28594065133 is an apocalyptic number.

It is an amenable number.

28594065133 is a deficient number, since it is larger than the sum of its proper divisors (1).

28594065133 is an equidigital number, since it uses as much as digits as its factorization.

28594065133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 28594065133 in words is "twenty-eight billion, five hundred ninety-four million, sixty-five thousand, one hundred thirty-three".