280775000273 has 2 divisors, whose sum is σ = 280775000274. Its totient is φ = 280775000272.

The previous prime is 280775000257. The next prime is 280775000281. The reversal of 280775000273 is 372000577082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261538142464 + 19236857809 = 511408^2 + 138697^2 .

It is a cyclic number.

It is not a de Polignac number, because 280775000273 - 2⁴ = 280775000257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280775000273.

It is not a weakly prime, because it can be changed into another prime (280775000243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140387500136 + 140387500137.

It is an arithmetic number, because the mean of its divisors is an integer number (140387500137).

Almost surely, 2^280775000273 is an apocalyptic number.

It is an amenable number.

280775000273 is a deficient number, since it is larger than the sum of its proper divisors (1).

280775000273 is an equidigital number, since it uses as much as digits as its factorization.

280775000273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 280775000273 in words is "two hundred eighty billion, seven hundred seventy-five million, two hundred seventy-three", and thus it is an aban number.