449663148437 has 2 divisors, whose sum is σ = 449663148438. Its totient is φ = 449663148436.

The previous prime is 449663148359. The next prime is 449663148449. The reversal of 449663148437 is 734841366944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305780244676 + 143882903761 = 552974^2 + 379319^2 .

It is a cyclic number.

It is not a de Polignac number, because 449663148437 - 2¹⁴ = 449663132053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449663148637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224831574218 + 224831574219.

It is an arithmetic number, because the mean of its divisors is an integer number (224831574219).

Almost surely, 2^449663148437 is an apocalyptic number.

It is an amenable number.

449663148437 is a deficient number, since it is larger than the sum of its proper divisors (1).

449663148437 is an equidigital number, since it uses as much as digits as its factorization.

449663148437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 59.

The spelling of 449663148437 in words is "four hundred forty-nine billion, six hundred sixty-three million, one hundred forty-eight thousand, four hundred thirty-seven".