449434193463 has 8 divisors (see below), whose sum is σ = 665828434800. Its totient is φ = 299622795624.

The previous prime is 449434193423. The next prime is 449434193491. The reversal of 449434193463 is 364391434944.

449434193463 is a `hidden beast` number, since 4 + 4 + 94 + 3 + 4 + 1 + 93 + 463 = 666.

It is not a de Polignac number, because 449434193463 - 2¹⁷ = 449434062391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449434193423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8322855408 + ... + 8322855461.

It is an arithmetic number, because the mean of its divisors is an integer number (83228554350).

Almost surely, 2^449434193463 is an apocalyptic number.

449434193463 is a deficient number, since it is larger than the sum of its proper divisors (216394241337).

449434193463 is a wasteful number, since it uses less digits than its factorization.

449434193463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16645710878 (or 16645710872 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 54.

The spelling of 449434193463 in words is "four hundred forty-nine billion, four hundred thirty-four million, one hundred ninety-three thousand, four hundred sixty-three".