449556427 has 4 divisors (see below), whose sum is σ = 449697136. Its totient is φ = 449415720.

The previous prime is 449556391. The next prime is 449556467. The reversal of 449556427 is 724655944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449556427 - 2¹⁹ = 449032139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449556467) 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 in 3 ways as a sum of consecutive naturals, for example, 65448 + ... + 71989.

It is an arithmetic number, because the mean of its divisors is an integer number (112424284).

Almost surely, 2^449556427 is an apocalyptic number.

449556427 is a deficient number, since it is larger than the sum of its proper divisors (140709).

449556427 is a wasteful number, since it uses less digits than its factorization.

449556427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140708.

The product of its digits is 1209600, while the sum is 46.

The square root of 449556427 is about 21202.7457420024. The cubic root of 449556427 is about 766.0575613406.

The spelling of 449556427 in words is "four hundred forty-nine million, five hundred fifty-six thousand, four hundred twenty-seven".