325444323444491 has 2 divisors, whose sum is σ = 325444323444492. Its totient is φ = 325444323444490.

The previous prime is 325444323444413. The next prime is 325444323444509. The reversal of 325444323444491 is 194444323444523.

It is a strong prime.

It is an emirp because it is prime and its reverse (194444323444523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325444323444491 - 2⁴² = 321046276933387 is a prime.

It is not a weakly prime, because it can be changed into another prime (325444323444991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162722161722245 + 162722161722246.

It is an arithmetic number, because the mean of its divisors is an integer number (162722161722246).

Almost surely, 2^{325444323444491} is an apocalyptic number.

325444323444491 is a deficient number, since it is larger than the sum of its proper divisors (1).

325444323444491 is an equidigital number, since it uses as much as digits as its factorization.

325444323444491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79626240, while the sum is 56.

The spelling of 325444323444491 in words is "three hundred twenty-five trillion, four hundred forty-four billion, three hundred twenty-three million, four hundred forty-four thousand, four hundred ninety-one".