434443139247281 has 2 divisors, whose sum is σ = 434443139247282. Its totient is φ = 434443139247280.

The previous prime is 434443139247193. The next prime is 434443139247283. The reversal of 434443139247281 is 182742931344434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417167553102400 + 17275586144881 = 20424680^2 + 4156391^2 .

It is a cyclic number.

It is not a de Polignac number, because 434443139247281 - 2¹⁸ = 434443138985137 is a prime.

It is a super-2 number, since 2×434443139247281² (a number of 30 digits) contains 22 as substring.

Together with 434443139247283, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434443139247281.

It is not a weakly prime, because it can be changed into another prime (434443139247283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217221569623640 + 217221569623641.

It is an arithmetic number, because the mean of its divisors is an integer number (217221569623641).

Almost surely, 2^{434443139247281} is an apocalyptic number.

It is an amenable number.

434443139247281 is a deficient number, since it is larger than the sum of its proper divisors (1).

434443139247281 is an equidigital number, since it uses as much as digits as its factorization.

434443139247281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55738368, while the sum is 59.

The spelling of 434443139247281 in words is "four hundred thirty-four trillion, four hundred forty-three billion, one hundred thirty-nine million, two hundred forty-seven thousand, two hundred eighty-one".