281937366341 has 2 divisors, whose sum is σ = 281937366342. Its totient is φ = 281937366340.

The previous prime is 281937366313. The next prime is 281937366461. The reversal of 281937366341 is 143663739182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203062890625 + 78874475716 = 450625^2 + 280846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-281937366341 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281937366301) 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, 140968683170 + 140968683171.

It is an arithmetic number, because the mean of its divisors is an integer number (140968683171).

Almost surely, 2^281937366341 is an apocalyptic number.

It is an amenable number.

281937366341 is a deficient number, since it is larger than the sum of its proper divisors (1).

281937366341 is an equidigital number, since it uses as much as digits as its factorization.

281937366341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 53.

The spelling of 281937366341 in words is "two hundred eighty-one billion, nine hundred thirty-seven million, three hundred sixty-six thousand, three hundred forty-one".