449859739 has 18 divisors (see below), whose sum is σ = 529129860. Its totient is φ = 381330432.

The previous prime is 449859731. The next prime is 449859833. The reversal of 449859739 is 937958944.

It is not a de Polignac number, because 449859739 - 2³ = 449859731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449859731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1750299 + ... + 1750555.

Almost surely, 2^449859739 is an apocalyptic number.

449859739 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

449859739 is a deficient number, since it is larger than the sum of its proper divisors (79270121).

449859739 is an equidigital number, since it uses as much as digits as its factorization.

449859739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 403 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The square root of 449859739 is about 21209.8971944703. The cubic root of 449859739 is about 766.2298068406.

The spelling of 449859739 in words is "four hundred forty-nine million, eight hundred fifty-nine thousand, seven hundred thirty-nine".