449999099 has 4 divisors (see below), whose sum is σ = 490908120. Its totient is φ = 409090080.

The previous prime is 449999063. The next prime is 449999101. The reversal of 449999099 is 990999944.

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 449999099 - 2¹² = 449995003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449999399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20454494 + ... + 20454515.

It is an arithmetic number, because the mean of its divisors is an integer number (122727030).

Almost surely, 2^449999099 is an apocalyptic number.

449999099 is a deficient number, since it is larger than the sum of its proper divisors (40909021).

449999099 is a wasteful number, since it uses less digits than its factorization.

449999099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40909020.

The product of its (nonzero) digits is 8503056, while the sum is 62.

The square root of 449999099 is about 21213.1821988121. The cubic root of 449999099 is about 766.3089209526.

The spelling of 449999099 in words is "four hundred forty-nine million, nine hundred ninety-nine thousand, ninety-nine".