449045017 has 2 divisors, whose sum is σ = 449045018. Its totient is φ = 449045016.

The previous prime is 449044969. The next prime is 449045027. The reversal of 449045017 is 710540944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254051721 + 194993296 = 15939^2 + 13964^2 .

It is a cyclic number.

It is not a de Polignac number, because 449045017 - 2¹¹ = 449042969 is a prime.

It is not a weakly prime, because it can be changed into another prime (449045027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224522508 + 224522509.

It is an arithmetic number, because the mean of its divisors is an integer number (224522509).

Almost surely, 2^449045017 is an apocalyptic number.

It is an amenable number.

449045017 is a deficient number, since it is larger than the sum of its proper divisors (1).

449045017 is an equidigital number, since it uses as much as digits as its factorization.

449045017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 449045017 is about 21190.6823155839. The cubic root of 449045017 is about 765.7669651549.

The spelling of 449045017 in words is "four hundred forty-nine million, forty-five thousand, seventeen".