28433275433 has 2 divisors, whose sum is σ = 28433275434. Its totient is φ = 28433275432.

The previous prime is 28433275399. The next prime is 28433275463. The reversal of 28433275433 is 33457233482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24128340889 + 4304934544 = 155333^2 + 65612^2 .

It is a cyclic number.

It is not a de Polignac number, because 28433275433 - 2⁸ = 28433275177 is a prime.

It is not a weakly prime, because it can be changed into another prime (28433275463) 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, 14216637716 + 14216637717.

It is an arithmetic number, because the mean of its divisors is an integer number (14216637717).

Almost surely, 2^28433275433 is an apocalyptic number.

It is an amenable number.

28433275433 is a deficient number, since it is larger than the sum of its proper divisors (1).

28433275433 is an equidigital number, since it uses as much as digits as its factorization.

28433275433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 44.

The spelling of 28433275433 in words is "twenty-eight billion, four hundred thirty-three million, two hundred seventy-five thousand, four hundred thirty-three".