325550352354449 has 2 divisors, whose sum is σ = 325550352354450. Its totient is φ = 325550352354448.

The previous prime is 325550352354439. The next prime is 325550352354473. The reversal of 325550352354449 is 944453253055523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168051165537025 + 157499186817424 = 12963455^2 + 12549868^2 .

It is a cyclic number.

It is not a de Polignac number, because 325550352354449 - 2²⁸ = 325550083918993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (325550352354419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162775176177224 + 162775176177225.

It is an arithmetic number, because the mean of its divisors is an integer number (162775176177225).

Almost surely, 2^{325550352354449} is an apocalyptic number.

It is an amenable number.

325550352354449 is a deficient number, since it is larger than the sum of its proper divisors (1).

325550352354449 is an equidigital number, since it uses as much as digits as its factorization.

325550352354449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400000, while the sum is 59.

The spelling of 325550352354449 in words is "three hundred twenty-five trillion, five hundred fifty billion, three hundred fifty-two million, three hundred fifty-four thousand, four hundred forty-nine".