9445636365449 has 2 divisors, whose sum is σ = 9445636365450. Its totient is φ = 9445636365448.

The previous prime is 9445636365443. The next prime is 9445636365481.

9445636365449 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9279596415049 + 166039950400 = 3046243^2 + 407480^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9445636365449 is a prime.

It is a super-3 number, since 3×9445636365449³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (9445636365443) 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, 4722818182724 + 4722818182725.

It is an arithmetic number, because the mean of its divisors is an integer number (4722818182725).

Almost surely, 2^{9445636365449} is an apocalyptic number.

It is an amenable number.

9445636365449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9445636365449 is an equidigital number, since it uses as much as digits as its factorization.

9445636365449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1007769600, while the sum is 68.

The spelling of 9445636365449 in words is "nine trillion, four hundred forty-five billion, six hundred thirty-six million, three hundred sixty-five thousand, four hundred forty-nine".