449686217045622 has 16 divisors (see below), whose sum is σ = 900953053490160. Its totient is φ = 149631969115392.

The previous prime is 449686217045573. The next prime is 449686217045641. The reversal of 449686217045622 is 226540712686944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65859137923 + ... + 65859144750.

It is an arithmetic number, because the mean of its divisors is an integer number (56309565843135).

Almost surely, 2^{449686217045622} is an apocalyptic number.

449686217045622 is an abundant number, since it is smaller than the sum of its proper divisors (451266836444538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449686217045622 is a wasteful number, since it uses less digits than its factorization.

449686217045622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131718283247.

The product of its (nonzero) digits is 278691840, while the sum is 66.

The spelling of 449686217045622 in words is "four hundred forty-nine trillion, six hundred eighty-six billion, two hundred seventeen million, forty-five thousand, six hundred twenty-two".