281424524489 has 2 divisors, whose sum is σ = 281424524490. Its totient is φ = 281424524488.

The previous prime is 281424524483. The next prime is 281424524519. The reversal of 281424524489 is 984425424182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251567449225 + 29857075264 = 501565^2 + 172792^2 .

It is a cyclic number.

It is not a de Polignac number, because 281424524489 - 2²⁸ = 281156089033 is a prime.

It is a super-2 number, since 2×281424524489² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 281424524489.

It is not a weakly prime, because it can be changed into another prime (281424524483) 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, 140712262244 + 140712262245.

It is an arithmetic number, because the mean of its divisors is an integer number (140712262245).

Almost surely, 2^281424524489 is an apocalyptic number.

It is an amenable number.

281424524489 is a deficient number, since it is larger than the sum of its proper divisors (1).

281424524489 is an equidigital number, since it uses as much as digits as its factorization.

281424524489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5898240, while the sum is 53.

The spelling of 281424524489 in words is "two hundred eighty-one billion, four hundred twenty-four million, five hundred twenty-four thousand, four hundred eighty-nine".