449461189 has 2 divisors, whose sum is σ = 449461190. Its totient is φ = 449461188.

The previous prime is 449461171. The next prime is 449461247. The reversal of 449461189 is 981164944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323640100 + 125821089 = 17990^2 + 11217^2 .

It is a cyclic number.

It is not a de Polignac number, because 449461189 - 2⁹ = 449460677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449461109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224730594 + 224730595.

It is an arithmetic number, because the mean of its divisors is an integer number (224730595).

Almost surely, 2^449461189 is an apocalyptic number.

It is an amenable number.

449461189 is a deficient number, since it is larger than the sum of its proper divisors (1).

449461189 is an equidigital number, since it uses as much as digits as its factorization.

449461189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 449461189 is about 21200.4997346761. The cubic root of 449461189 is about 766.0034613891.

The spelling of 449461189 in words is "four hundred forty-nine million, four hundred sixty-one thousand, one hundred eighty-nine".