325143432505469 has 2 divisors, whose sum is σ = 325143432505470. Its totient is φ = 325143432505468.

The previous prime is 325143432505433. The next prime is 325143432505471. The reversal of 325143432505469 is 964505234341523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312135962716900 + 13007469788569 = 17667370^2 + 3606587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325143432505469 is a prime.

It is a super-2 number, since 2×325143432505469² (a number of 30 digits) contains 22 as substring.

Together with 325143432505471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325143432501469) 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, 162571716252734 + 162571716252735.

It is an arithmetic number, because the mean of its divisors is an integer number (162571716252735).

Almost surely, 2^{325143432505469} is an apocalyptic number.

It is an amenable number.

325143432505469 is a deficient number, since it is larger than the sum of its proper divisors (1).

325143432505469 is an equidigital number, since it uses as much as digits as its factorization.

325143432505469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656000, while the sum is 56.

The spelling of 325143432505469 in words is "three hundred twenty-five trillion, one hundred forty-three billion, four hundred thirty-two million, five hundred five thousand, four hundred sixty-nine".