449068637233 has 2 divisors, whose sum is σ = 449068637234. Its totient is φ = 449068637232.

The previous prime is 449068637219. The next prime is 449068637293. The reversal of 449068637233 is 332736860944.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447797857329 + 1270779904 = 669177^2 + 35648^2 .

It is a cyclic number.

It is not a de Polignac number, because 449068637233 - 2²⁹ = 448531766321 is a prime.

It is not a weakly prime, because it can be changed into another prime (449068637293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224534318616 + 224534318617.

It is an arithmetic number, because the mean of its divisors is an integer number (224534318617).

Almost surely, 2^449068637233 is an apocalyptic number.

It is an amenable number.

449068637233 is a deficient number, since it is larger than the sum of its proper divisors (1).

449068637233 is an equidigital number, since it uses as much as digits as its factorization.

449068637233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 55.

The spelling of 449068637233 in words is "four hundred forty-nine billion, sixty-eight million, six hundred thirty-seven thousand, two hundred thirty-three".