449411903 has 2 divisors, whose sum is σ = 449411904. Its totient is φ = 449411902.

The previous prime is 449411891. The next prime is 449411933. The reversal of 449411903 is 309114944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449411903 - 2²⁰ = 448363327 is a prime.

It is a super-3 number, since 3×449411903³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449411933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224705951 + 224705952.

It is an arithmetic number, because the mean of its divisors is an integer number (224705952).

Almost surely, 2^449411903 is an apocalyptic number.

449411903 is a deficient number, since it is larger than the sum of its proper divisors (1).

449411903 is an equidigital number, since it uses as much as digits as its factorization.

449411903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 449411903 is about 21199.3373245486. The cubic root of 449411903 is about 765.9754614731.

The spelling of 449411903 in words is "four hundred forty-nine million, four hundred eleven thousand, nine hundred three".