28341488489 has 2 divisors, whose sum is σ = 28341488490. Its totient is φ = 28341488488.

The previous prime is 28341488437. The next prime is 28341488521. The reversal of 28341488489 is 98488414382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22896229225 + 5445259264 = 151315^2 + 73792^2 .

It is a cyclic number.

It is not a de Polignac number, because 28341488489 - 2³² = 24046521193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28341488389) 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, 14170744244 + 14170744245.

It is an arithmetic number, because the mean of its divisors is an integer number (14170744245).

Almost surely, 2^28341488489 is an apocalyptic number.

It is an amenable number.

28341488489 is a deficient number, since it is larger than the sum of its proper divisors (1).

28341488489 is an equidigital number, since it uses as much as digits as its factorization.

28341488489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14155776, while the sum is 59.

The spelling of 28341488489 in words is "twenty-eight billion, three hundred forty-one million, four hundred eighty-eight thousand, four hundred eighty-nine".