449220329 has 2 divisors, whose sum is σ = 449220330. Its totient is φ = 449220328.

The previous prime is 449220253. The next prime is 449220371. The reversal of 449220329 is 923022944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254562025 + 194658304 = 15955^2 + 13952^2 .

It is a cyclic number.

It is not a de Polignac number, because 449220329 - 2⁸ = 449220073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449220829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224610164 + 224610165.

It is an arithmetic number, because the mean of its divisors is an integer number (224610165).

Almost surely, 2^449220329 is an apocalyptic number.

It is an amenable number.

449220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

449220329 is an equidigital number, since it uses as much as digits as its factorization.

449220329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 449220329 is about 21194.8184469695. The cubic root of 449220329 is about 765.8666067396.

The spelling of 449220329 in words is "four hundred forty-nine million, two hundred twenty thousand, three hundred twenty-nine".