28285695233 has 2 divisors, whose sum is σ = 28285695234. Its totient is φ = 28285695232.

The previous prime is 28285695227. The next prime is 28285695271. The reversal of 28285695233 is 33259658282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27998324929 + 287370304 = 167327^2 + 16952^2 .

It is a cyclic number.

It is not a de Polignac number, because 28285695233 - 2⁶ = 28285695169 is a prime.

It is not a weakly prime, because it can be changed into another prime (28285695203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14142847616 + 14142847617.

It is an arithmetic number, because the mean of its divisors is an integer number (14142847617).

Almost surely, 2^28285695233 is an apocalyptic number.

It is an amenable number.

28285695233 is a deficient number, since it is larger than the sum of its proper divisors (1).

28285695233 is an equidigital number, since it uses as much as digits as its factorization.

28285695233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 53.

The spelling of 28285695233 in words is "twenty-eight billion, two hundred eighty-five million, six hundred ninety-five thousand, two hundred thirty-three".