449081765633 has 16 divisors (see below), whose sum is σ = 485115837696. Its totient is φ = 414137568000.

The previous prime is 449081765609. The next prime is 449081765651. The reversal of 449081765633 is 336567180944.

It is a cyclic number.

It is not a de Polignac number, because 449081765633 - 2¹⁰ = 449081764609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (449081765603) 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, 344810 + ... + 1008492.

It is an arithmetic number, because the mean of its divisors is an integer number (30319739856).

Almost surely, 2^449081765633 is an apocalyptic number.

It is an amenable number.

449081765633 is a deficient number, since it is larger than the sum of its proper divisors (36034072063).

449081765633 is a wasteful number, since it uses less digits than its factorization.

449081765633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664504.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 449081765633 in words is "four hundred forty-nine billion, eighty-one million, seven hundred sixty-five thousand, six hundred thirty-three".