449173699 has 16 divisors (see below), whose sum is σ = 510158880. Its totient is φ = 392048640.

The previous prime is 449173679. The next prime is 449173733. The reversal of 449173699 is 996371944.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449173699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449173649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156909 + ... + 159745.

It is an arithmetic number, because the mean of its divisors is an integer number (31884930).

Almost surely, 2^449173699 is an apocalyptic number.

449173699 is a deficient number, since it is larger than the sum of its proper divisors (60985181).

449173699 is a wasteful number, since it uses less digits than its factorization.

449173699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510.

The product of its digits is 1469664, while the sum is 52.

The square root of 449173699 is about 21193.7183854084. The cubic root of 449173699 is about 765.8401063096.

The spelling of 449173699 in words is "four hundred forty-nine million, one hundred seventy-three thousand, six hundred ninety-nine".