449154403 has 2 divisors, whose sum is σ = 449154404. Its totient is φ = 449154402.

The previous prime is 449154397. The next prime is 449154427. The reversal of 449154403 is 304451944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449154403 - 2¹³ = 449146211 is a prime.

It is not a weakly prime, because it can be changed into another prime (449154463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224577201 + 224577202.

It is an arithmetic number, because the mean of its divisors is an integer number (224577202).

Almost surely, 2^449154403 is an apocalyptic number.

449154403 is a deficient number, since it is larger than the sum of its proper divisors (1).

449154403 is an equidigital number, since it uses as much as digits as its factorization.

449154403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 449154403 is about 21193.2631512941. The cubic root of 449154403 is about 765.8291396076.

The spelling of 449154403 in words is "four hundred forty-nine million, one hundred fifty-four thousand, four hundred three".