325143432505439 has 4 divisors (see below), whose sum is σ = 325146526356624. Its totient is φ = 325140338654256.

The previous prime is 325143432505433. The next prime is 325143432505469. The reversal of 325143432505439 is 934505234341523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325143432505439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325143432505433) 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 in 3 ways as a sum of consecutive naturals, for example, 1546767947 + ... + 1546978140.

It is an arithmetic number, because the mean of its divisors is an integer number (81286631589156).

Almost surely, 2^{325143432505439} is an apocalyptic number.

325143432505439 is a deficient number, since it is larger than the sum of its proper divisors (3093851185).

325143432505439 is a wasteful number, since it uses less digits than its factorization.

325143432505439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093851184.

The product of its (nonzero) digits is 23328000, while the sum is 53.

The spelling of 325143432505439 in words is "three hundred twenty-five trillion, one hundred forty-three billion, four hundred thirty-two million, five hundred five thousand, four hundred thirty-nine".