449850442637 has 16 divisors (see below), whose sum is σ = 459594188352. Its totient is φ = 440202470400.

The previous prime is 449850442621. The next prime is 449850442649. The reversal of 449850442637 is 736244058944.

It is a cyclic number.

It is not a de Polignac number, because 449850442637 - 2⁴ = 449850442621 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 (449850442667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9039818 + ... + 9089444.

It is an arithmetic number, because the mean of its divisors is an integer number (28724636772).

Almost surely, 2^449850442637 is an apocalyptic number.

It is an amenable number.

449850442637 is a deficient number, since it is larger than the sum of its proper divisors (9743745715).

449850442637 is a wasteful number, since it uses less digits than its factorization.

449850442637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50588.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 449850442637 in words is "four hundred forty-nine billion, eight hundred fifty million, four hundred forty-two thousand, six hundred thirty-seven".