449922189 has 8 divisors (see below), whose sum is σ = 619247872. Its totient is φ = 290272320.

The previous prime is 449922169. The next prime is 449922283. The reversal of 449922189 is 981229944.

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

It is not a de Polignac number, because 449922189 - 2⁵ = 449922157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449922169) 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 7 ways as a sum of consecutive naturals, for example, 2418844 + ... + 2419029.

It is an arithmetic number, because the mean of its divisors is an integer number (77405984).

Almost surely, 2^449922189 is an apocalyptic number.

It is an amenable number.

449922189 is a deficient number, since it is larger than the sum of its proper divisors (169325683).

449922189 is a wasteful number, since it uses less digits than its factorization.

449922189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837907.

The product of its digits is 373248, while the sum is 48.

The square root of 449922189 is about 21211.3693334495. The cubic root of 449922189 is about 766.2652614748.

The spelling of 449922189 in words is "four hundred forty-nine million, nine hundred twenty-two thousand, one hundred eighty-nine".