449263447 has 16 divisors (see below), whose sum is σ = 471556800. Its totient is φ = 427472640.

The previous prime is 449263427. The next prime is 449263469. The reversal of 449263447 is 744362944.

It is a cyclic number.

It is not a de Polignac number, because 449263447 - 2⁷ = 449263319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449263427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982843 + ... + 983299.

It is an arithmetic number, because the mean of its divisors is an integer number (29472300).

Almost surely, 2^449263447 is an apocalyptic number.

449263447 is a deficient number, since it is larger than the sum of its proper divisors (22293353).

449263447 is a wasteful number, since it uses less digits than its factorization.

449263447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its digits is 580608, while the sum is 43.

The square root of 449263447 is about 21195.8356051372. The cubic root of 449263447 is about 765.8911096229.

The spelling of 449263447 in words is "four hundred forty-nine million, two hundred sixty-three thousand, four hundred forty-seven".