449503969 has 2 divisors, whose sum is σ = 449503970. Its totient is φ = 449503968.

The previous prime is 449503963. The next prime is 449503979. The reversal of 449503969 is 969305944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438693025 + 10810944 = 20945^2 + 3288^2 .

It is a cyclic number.

It is not a de Polignac number, because 449503969 - 2³ = 449503961 is a prime.

It is a super-2 number, since 2×449503969² = 404107636293505922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449503961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224751984 + 224751985.

It is an arithmetic number, because the mean of its divisors is an integer number (224751985).

Almost surely, 2^449503969 is an apocalyptic number.

It is an amenable number.

449503969 is a deficient number, since it is larger than the sum of its proper divisors (1).

449503969 is an equidigital number, since it uses as much as digits as its factorization.

449503969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 449503969 is about 21201.5086491504. The cubic root of 449503969 is about 766.0277635159.

The spelling of 449503969 in words is "four hundred forty-nine million, five hundred three thousand, nine hundred sixty-nine".