443954449 has 4 divisors (see below), whose sum is σ = 448103664. Its totient is φ = 439805236.

The previous prime is 443954443. The next prime is 443954477. The reversal of 443954449 is 944459344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 443954449 - 2⁷ = 443954321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 443954399 and 443954408.

It is not an unprimeable number, because it can be changed into a prime (443954443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074447 + ... + 2074660.

It is an arithmetic number, because the mean of its divisors is an integer number (112025916).

Almost surely, 2^443954449 is an apocalyptic number.

It is an amenable number.

443954449 is a deficient number, since it is larger than the sum of its proper divisors (4149215).

443954449 is a wasteful number, since it uses less digits than its factorization.

443954449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149214.

The product of its digits is 1244160, while the sum is 46.

The square root of 443954449 is about 21070.2266005850. The cubic root of 443954449 is about 762.8622728584.

The spelling of 443954449 in words is "four hundred forty-three million, nine hundred fifty-four thousand, four hundred forty-nine".