449220049 has 2 divisors, whose sum is σ = 449220050. Its totient is φ = 449220048.

The previous prime is 449220007. The next prime is 449220073. The reversal of 449220049 is 940022944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328769424 + 120450625 = 18132^2 + 10975^2 .

It is a cyclic number.

It is not a de Polignac number, because 449220049 - 2²³ = 440831441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449219996 and 449220023.

It is not a weakly prime, because it can be changed into another prime (449220089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224610024 + 224610025.

It is an arithmetic number, because the mean of its divisors is an integer number (224610025).

Almost surely, 2^449220049 is an apocalyptic number.

It is an amenable number.

449220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

449220049 is an equidigital number, since it uses as much as digits as its factorization.

449220049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 449220049 is about 21194.8118415805. The cubic root of 449220049 is about 765.8664476175.

The spelling of 449220049 in words is "four hundred forty-nine million, two hundred twenty thousand, forty-nine".