449109443 has 2 divisors, whose sum is σ = 449109444. Its totient is φ = 449109442.

The previous prime is 449109421. The next prime is 449109461. The reversal of 449109443 is 344901944.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449109443 - 2²² = 444915139 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 449109397 and 449109406.

It is not a weakly prime, because it can be changed into another prime (449109473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224554721 + 224554722.

It is an arithmetic number, because the mean of its divisors is an integer number (224554722).

Almost surely, 2^449109443 is an apocalyptic number.

449109443 is a deficient number, since it is larger than the sum of its proper divisors (1).

449109443 is an equidigital number, since it uses as much as digits as its factorization.

449109443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 449109443 is about 21192.2024103206. The cubic root of 449109443 is about 765.8035857915.

The spelling of 449109443 in words is "four hundred forty-nine million, one hundred nine thousand, four hundred forty-three".