449893405163 has 16 divisors (see below), whose sum is σ = 454137377280. Its totient is φ = 445674247200.

The previous prime is 449893405081. The next prime is 449893405189. The reversal of 449893405163 is 361504398944.

It is a cyclic number.

It is not a de Polignac number, because 449893405163 - 2⁸ = 449893404907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449893405099 and 449893405108.

It is not an unprimeable number, because it can be changed into a prime (449893405963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41888048 + ... + 41898786.

It is an arithmetic number, because the mean of its divisors is an integer number (28383586080).

Almost surely, 2^449893405163 is an apocalyptic number.

449893405163 is a deficient number, since it is larger than the sum of its proper divisors (4243972117).

449893405163 is a wasteful number, since it uses less digits than its factorization.

449893405163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11858.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 449893405163 in words is "four hundred forty-nine billion, eight hundred ninety-three million, four hundred five thousand, one hundred sixty-three".