28566437353 has 2 divisors, whose sum is σ = 28566437354. Its totient is φ = 28566437352.

The previous prime is 28566437323. The next prime is 28566437381. The reversal of 28566437353 is 35373466582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16485789609 + 12080647744 = 128397^2 + 109912^2 .

It is a cyclic number.

It is not a de Polignac number, because 28566437353 - 2³³ = 19976502761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28566437353.

It is not a weakly prime, because it can be changed into another prime (28566437323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14283218676 + 14283218677.

It is an arithmetic number, because the mean of its divisors is an integer number (14283218677).

Almost surely, 2^28566437353 is an apocalyptic number.

It is an amenable number.

28566437353 is a deficient number, since it is larger than the sum of its proper divisors (1).

28566437353 is an equidigital number, since it uses as much as digits as its factorization.

28566437353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 52.

The spelling of 28566437353 in words is "twenty-eight billion, five hundred sixty-six million, four hundred thirty-seven thousand, three hundred fifty-three".