449900459 has 2 divisors, whose sum is σ = 449900460. Its totient is φ = 449900458.

The previous prime is 449900441. The next prime is 449900471. The reversal of 449900459 is 954009944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449900459 - 2⁸ = 449900203 is a prime.

It is not a weakly prime, because it can be changed into another prime (449900159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224950229 + 224950230.

It is an arithmetic number, because the mean of its divisors is an integer number (224950230).

Almost surely, 2^449900459 is an apocalyptic number.

449900459 is a deficient number, since it is larger than the sum of its proper divisors (1).

449900459 is an equidigital number, since it uses as much as digits as its factorization.

449900459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 449900459 is about 21210.8571019655. The cubic root of 449900459 is about 766.2529251104.

The spelling of 449900459 in words is "four hundred forty-nine million, nine hundred thousand, four hundred fifty-nine".