9447632367449 has 2 divisors, whose sum is σ = 9447632367450. Its totient is φ = 9447632367448.

The previous prime is 9447632367367. The next prime is 9447632367473.

9447632367449 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7733365877449 + 1714266490000 = 2780893^2 + 1309300^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9447632367449 - 2²⁴ = 9447615590233 is a prime.

It is not a weakly prime, because it can be changed into another prime (9447632367049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4723816183724 + 4723816183725.

It is an arithmetic number, because the mean of its divisors is an integer number (4723816183725).

Almost surely, 2^{9447632367449} is an apocalyptic number.

It is an amenable number.

9447632367449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9447632367449 is an equidigital number, since it uses as much as digits as its factorization.

9447632367449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658409472, while the sum is 68.

The spelling of 9447632367449 in words is "nine trillion, four hundred forty-seven billion, six hundred thirty-two million, three hundred sixty-seven thousand, four hundred forty-nine".