325542649193 has 2 divisors, whose sum is σ = 325542649194. Its totient is φ = 325542649192.

The previous prime is 325542649189. The next prime is 325542649307. The reversal of 325542649193 is 391946245523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309150456169 + 16392193024 = 556013^2 + 128032^2 .

It is a cyclic number.

It is not a de Polignac number, because 325542649193 - 2² = 325542649189 is a prime.

It is not a weakly prime, because it can be changed into another prime (325542649123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162771324596 + 162771324597.

It is an arithmetic number, because the mean of its divisors is an integer number (162771324597).

Almost surely, 2^325542649193 is an apocalyptic number.

It is an amenable number.

325542649193 is a deficient number, since it is larger than the sum of its proper divisors (1).

325542649193 is an equidigital number, since it uses as much as digits as its factorization.

325542649193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 53.

The spelling of 325542649193 in words is "three hundred twenty-five billion, five hundred forty-two million, six hundred forty-nine thousand, one hundred ninety-three".