449279799 has 4 divisors (see below), whose sum is σ = 599039736. Its totient is φ = 299519864.

The previous prime is 449279783. The next prime is 449279837. The reversal of 449279799 is 997972944.

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 449279799 - 2⁴ = 449279783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449279759) 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, 74879964 + ... + 74879969.

It is an arithmetic number, because the mean of its divisors is an integer number (149759934).

Almost surely, 2^449279799 is an apocalyptic number.

449279799 is a deficient number, since it is larger than the sum of its proper divisors (149759937).

449279799 is a wasteful number, since it uses less digits than its factorization.

449279799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149759936.

The product of its digits is 10287648, while the sum is 60.

The square root of 449279799 is about 21196.2213377762. The cubic root of 449279799 is about 765.9004016463.

The spelling of 449279799 in words is "four hundred forty-nine million, two hundred seventy-nine thousand, seven hundred ninety-nine".