449921743 has 4 divisors (see below), whose sum is σ = 450149488. Its totient is φ = 449694000.

The previous prime is 449921737. The next prime is 449921749. The reversal of 449921743 is 347129944.

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

It is an interprime number because it is at equal distance from previous prime (449921737) and next prime (449921749).

It is a cyclic number.

It is not a de Polignac number, because 449921743 - 2⁹ = 449921231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449921743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449921749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110883 + ... + 114868.

It is an arithmetic number, because the mean of its divisors is an integer number (112537372).

Almost surely, 2^449921743 is an apocalyptic number.

449921743 is a deficient number, since it is larger than the sum of its proper divisors (227745).

449921743 is a wasteful number, since it uses less digits than its factorization.

449921743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227744.

The product of its digits is 217728, while the sum is 43.

The square root of 449921743 is about 21211.3588202171. The cubic root of 449921743 is about 766.2650082796.

The spelling of 449921743 in words is "four hundred forty-nine million, nine hundred twenty-one thousand, seven hundred forty-three".