449681814455 has 8 divisors (see below), whose sum is σ = 541669959072. Its totient is φ = 358377597088.

The previous prime is 449681814433. The next prime is 449681814479. The reversal of 449681814455 is 554418186944.

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

It is a cyclic number.

It is not a de Polignac number, because 449681814455 - 2⁶ = 449681814391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449681814394 and 449681814403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170980364 + ... + 170982993.

It is an arithmetic number, because the mean of its divisors is an integer number (67708744884).

Almost surely, 2^449681814455 is an apocalyptic number.

449681814455 is a deficient number, since it is larger than the sum of its proper divisors (91988144617).

449681814455 is a wasteful number, since it uses less digits than its factorization.

449681814455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341963625.

The product of its digits is 22118400, while the sum is 59.

The spelling of 449681814455 in words is "four hundred forty-nine billion, six hundred eighty-one million, eight hundred fourteen thousand, four hundred fifty-five".