325144447193 has 2 divisors, whose sum is σ = 325144447194. Its totient is φ = 325144447192.

The previous prime is 325144447169. The next prime is 325144447213. The reversal of 325144447193 is 391744441523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177567846544 + 147576600649 = 421388^2 + 384157^2 .

It is a cyclic number.

It is not a de Polignac number, because 325144447193 - 2²² = 325140252889 is a prime.

It is not a weakly prime, because it can be changed into another prime (325144447163) 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, 162572223596 + 162572223597.

It is an arithmetic number, because the mean of its divisors is an integer number (162572223597).

Almost surely, 2^325144447193 is an apocalyptic number.

It is an amenable number.

325144447193 is a deficient number, since it is larger than the sum of its proper divisors (1).

325144447193 is an equidigital number, since it uses as much as digits as its factorization.

325144447193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The spelling of 325144447193 in words is "three hundred twenty-five billion, one hundred forty-four million, four hundred forty-seven thousand, one hundred ninety-three".