280883040281 has 2 divisors, whose sum is σ = 280883040282. Its totient is φ = 280883040280.

The previous prime is 280883040239. The next prime is 280883040287. The reversal of 280883040281 is 182040388082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280883040256 + 25 = 529984^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-280883040281 is a prime.

It is a super-2 number, since 2×280883040281² (a number of 24 digits) contains 22 as substring.

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 (280883040287) 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, 140441520140 + 140441520141.

It is an arithmetic number, because the mean of its divisors is an integer number (140441520141).

Almost surely, 2^280883040281 is an apocalyptic number.

It is an amenable number.

280883040281 is a deficient number, since it is larger than the sum of its proper divisors (1).

280883040281 is an equidigital number, since it uses as much as digits as its factorization.

280883040281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 44.

The spelling of 280883040281 in words is "two hundred eighty billion, eight hundred eighty-three million, forty thousand, two hundred eighty-one".