448645049 has 2 divisors, whose sum is σ = 448645050. Its totient is φ = 448645048.

The previous prime is 448644991. The next prime is 448645069. The reversal of 448645049 is 940546844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301265449 + 147379600 = 17357^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 448645049 - 2⁸ = 448644793 is a prime.

It is not a weakly prime, because it can be changed into another prime (448645069) 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, 224322524 + 224322525.

It is an arithmetic number, because the mean of its divisors is an integer number (224322525).

Almost surely, 2^448645049 is an apocalyptic number.

It is an amenable number.

448645049 is a deficient number, since it is larger than the sum of its proper divisors (1).

448645049 is an equidigital number, since it uses as much as digits as its factorization.

448645049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 448645049 is about 21181.2428577740. The cubic root of 448645049 is about 765.5395393579.

The spelling of 448645049 in words is "four hundred forty-eight million, six hundred forty-five thousand, forty-nine".