281982494713 has 2 divisors, whose sum is σ = 281982494714. Its totient is φ = 281982494712.

The previous prime is 281982494711. The next prime is 281982494767. The reversal of 281982494713 is 317494289182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209148899584 + 72833595129 = 457328^2 + 269877^2 .

It is a cyclic number.

It is not a de Polignac number, because 281982494713 - 2¹ = 281982494711 is a prime.

Together with 281982494711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (281982494711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140991247356 + 140991247357.

It is an arithmetic number, because the mean of its divisors is an integer number (140991247357).

Almost surely, 2^281982494713 is an apocalyptic number.

It is an amenable number.

281982494713 is a deficient number, since it is larger than the sum of its proper divisors (1).

281982494713 is an equidigital number, since it uses as much as digits as its factorization.

281982494713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 58.

The spelling of 281982494713 in words is "two hundred eighty-one billion, nine hundred eighty-two million, four hundred ninety-four thousand, seven hundred thirteen".