530505434243 has 2 divisors, whose sum is σ = 530505434244. Its totient is φ = 530505434242.

The previous prime is 530505434189. The next prime is 530505434279. The reversal of 530505434243 is 342434505035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530505434243 - 2²⁰ = 530504385667 is a prime.

It is a super-2 number, since 2×530505434243² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 530505434197 and 530505434206.

It is not a weakly prime, because it can be changed into another prime (530505433243) 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, 265252717121 + 265252717122.

It is an arithmetic number, because the mean of its divisors is an integer number (265252717122).

Almost surely, 2^530505434243 is an apocalyptic number.

530505434243 is a deficient number, since it is larger than the sum of its proper divisors (1).

530505434243 is an equidigital number, since it uses as much as digits as its factorization.

530505434243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 530505434243 its reverse (342434505035), we get a palindrome (872939939278).

The spelling of 530505434243 in words is "five hundred thirty billion, five hundred five million, four hundred thirty-four thousand, two hundred forty-three".