325689996481 has 2 divisors, whose sum is σ = 325689996482. Its totient is φ = 325689996480.

The previous prime is 325689996451. The next prime is 325689996487. The reversal of 325689996481 is 184699986523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214294926400 + 111395070081 = 462920^2 + 333759^2 .

It is a cyclic number.

It is not a de Polignac number, because 325689996481 - 2¹¹ = 325689994433 is a prime.

It is a super-2 number, since 2×325689996481² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325689996481.

It is not a weakly prime, because it can be changed into another prime (325689996487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162844998240 + 162844998241.

It is an arithmetic number, because the mean of its divisors is an integer number (162844998241).

Almost surely, 2^325689996481 is an apocalyptic number.

It is an amenable number.

325689996481 is a deficient number, since it is larger than the sum of its proper divisors (1).

325689996481 is an equidigital number, since it uses as much as digits as its factorization.

325689996481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201553920, while the sum is 70.

The spelling of 325689996481 in words is "three hundred twenty-five billion, six hundred eighty-nine million, nine hundred ninety-six thousand, four hundred eighty-one".