449068637393 has 2 divisors, whose sum is σ = 449068637394. Its totient is φ = 449068637392.

The previous prime is 449068637333. The next prime is 449068637411. The reversal of 449068637393 is 393736860944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367488139264 + 81580498129 = 606208^2 + 285623^2 .

It is a cyclic number.

It is not a de Polignac number, because 449068637393 - 2¹⁶ = 449068571857 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 (449068637333) 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, 224534318696 + 224534318697.

It is an arithmetic number, because the mean of its divisors is an integer number (224534318697).

Almost surely, 2^449068637393 is an apocalyptic number.

It is an amenable number.

449068637393 is a deficient number, since it is larger than the sum of its proper divisors (1).

449068637393 is an equidigital number, since it uses as much as digits as its factorization.

449068637393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70543872, while the sum is 62.

The spelling of 449068637393 in words is "four hundred forty-nine billion, sixty-eight million, six hundred thirty-seven thousand, three hundred ninety-three".