28321809283 has 2 divisors, whose sum is σ = 28321809284. Its totient is φ = 28321809282.

The previous prime is 28321809251. The next prime is 28321809337. The reversal of 28321809283 is 38290812382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28321809283 - 2⁵ = 28321809251 is a prime.

It is not a weakly prime, because it can be changed into another prime (28321809223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14160904641 + 14160904642.

It is an arithmetic number, because the mean of its divisors is an integer number (14160904642).

Almost surely, 2^28321809283 is an apocalyptic number.

28321809283 is a deficient number, since it is larger than the sum of its proper divisors (1).

28321809283 is an equidigital number, since it uses as much as digits as its factorization.

28321809283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 28321809283 in words is "twenty-eight billion, three hundred twenty-one million, eight hundred nine thousand, two hundred eighty-three".