449265655791 has 8 divisors (see below), whose sum is σ = 665578749360. Its totient is φ = 299510437176.

The previous prime is 449265655781. The next prime is 449265655793. The reversal of 449265655791 is 197556562944.

449265655791 is a `hidden beast` number, since 4 + 4 + 9 + 2 + 6 + 56 + 5 + 579 + 1 = 666.

It is not a de Polignac number, because 449265655791 - 2³⁵ = 414905917423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449265655793) 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, 8319734340 + ... + 8319734393.

It is an arithmetic number, because the mean of its divisors is an integer number (83197343670).

Almost surely, 2^449265655791 is an apocalyptic number.

449265655791 is a deficient number, since it is larger than the sum of its proper divisors (216313093569).

449265655791 is a wasteful number, since it uses less digits than its factorization.

449265655791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16639468742 (or 16639468736 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 449265655791 in words is "four hundred forty-nine billion, two hundred sixty-five million, six hundred fifty-five thousand, seven hundred ninety-one".