449734191 has 8 divisors (see below), whose sum is σ = 600635904. Its totient is φ = 299327640.

The previous prime is 449734189. The next prime is 449734213. The reversal of 449734191 is 191437944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449734191 - 2¹ = 449734189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449734171) 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 7 ways as a sum of consecutive naturals, for example, 121665 + ... + 125306.

It is an arithmetic number, because the mean of its divisors is an integer number (75079488).

Almost surely, 2^449734191 is an apocalyptic number.

449734191 is a deficient number, since it is larger than the sum of its proper divisors (150901713).

449734191 is a wasteful number, since it uses less digits than its factorization.

449734191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247581.

The product of its digits is 108864, while the sum is 42.

The square root of 449734191 is about 21206.9373319204. The cubic root of 449734191 is about 766.1585197542.

The spelling of 449734191 in words is "four hundred forty-nine million, seven hundred thirty-four thousand, one hundred ninety-one".