532809981329 has 2 divisors, whose sum is σ = 532809981330. Its totient is φ = 532809981328.

The previous prime is 532809981293. The next prime is 532809981367. The reversal of 532809981329 is 923189908235.

Together with previous prime (532809981293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532130857729 + 679123600 = 729473^2 + 26060^2 .

It is a cyclic number.

It is not a de Polignac number, because 532809981329 - 2²⁰ = 532808932753 is a prime.

It is not a weakly prime, because it can be changed into another prime (532809911329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266404990664 + 266404990665.

It is an arithmetic number, because the mean of its divisors is an integer number (266404990665).

Almost surely, 2^532809981329 is an apocalyptic number.

It is an amenable number.

532809981329 is a deficient number, since it is larger than the sum of its proper divisors (1).

532809981329 is an equidigital number, since it uses as much as digits as its factorization.

532809981329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 532809981329 in words is "five hundred thirty-two billion, eight hundred nine million, nine hundred eighty-one thousand, three hundred twenty-nine".