449309051 has 4 divisors (see below), whose sum is σ = 450096504. Its totient is φ = 448521600.

The previous prime is 449309039. The next prime is 449309083. The reversal of 449309051 is 150903944.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449309051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449309251) 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, 392870 + ... + 394011.

It is an arithmetic number, because the mean of its divisors is an integer number (112524126).

Almost surely, 2^449309051 is an apocalyptic number.

449309051 is a deficient number, since it is larger than the sum of its proper divisors (787453).

449309051 is an equidigital number, since it uses as much as digits as its factorization.

449309051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787452.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 449309051 is about 21196.9113551951. The cubic root of 449309051 is about 765.9170235320.

The spelling of 449309051 in words is "four hundred forty-nine million, three hundred nine thousand, fifty-one".