281982494771 has 2 divisors, whose sum is σ = 281982494772. Its totient is φ = 281982494770.

The previous prime is 281982494767. The next prime is 281982494777. The reversal of 281982494771 is 177494289182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 281982494771 - 2² = 281982494767 is a prime.

It is not a weakly prime, because it can be changed into another prime (281982494777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140991247385 + 140991247386.

It is an arithmetic number, because the mean of its divisors is an integer number (140991247386).

Almost surely, 2^281982494771 is an apocalyptic number.

281982494771 is a deficient number, since it is larger than the sum of its proper divisors (1).

281982494771 is an equidigital number, since it uses as much as digits as its factorization.

281982494771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 62.

The spelling of 281982494771 in words is "two hundred eighty-one billion, nine hundred eighty-two million, four hundred ninety-four thousand, seven hundred seventy-one".