281959937873 has 2 divisors, whose sum is σ = 281959937874. Its totient is φ = 281959937872.

The previous prime is 281959937867. The next prime is 281959937879. The reversal of 281959937873 is 378739959182.

It is a balanced prime because it is at equal distance from previous prime (281959937867) and next prime (281959937879).

It can be written as a sum of positive squares in only one way, i.e., 256655718544 + 25304219329 = 506612^2 + 159073^2 .

It is a cyclic number.

It is not a de Polignac number, because 281959937873 - 2²⁰ = 281958889297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 281959937797 and 281959937806.

It is not a weakly prime, because it can be changed into another prime (281959937879) 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, 140979968936 + 140979968937.

It is an arithmetic number, because the mean of its divisors is an integer number (140979968937).

Almost surely, 2^281959937873 is an apocalyptic number.

It is an amenable number.

281959937873 is a deficient number, since it is larger than the sum of its proper divisors (1).

281959937873 is an equidigital number, since it uses as much as digits as its factorization.

281959937873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 205752960, while the sum is 71.

The spelling of 281959937873 in words is "two hundred eighty-one billion, nine hundred fifty-nine million, nine hundred thirty-seven thousand, eight hundred seventy-three".