449181931763 has 16 divisors (see below), whose sum is σ = 453623966400. Its totient is φ = 444764390400.

The previous prime is 449181931747. The next prime is 449181931823. The reversal of 449181931763 is 367139181944.

It is a cyclic number.

It is not a de Polignac number, because 449181931763 - 2⁴ = 449181931747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449181931699 and 449181931708.

It is not an unprimeable number, because it can be changed into a prime (449181939763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106514831 + ... + 106519047.

It is an arithmetic number, because the mean of its divisors is an integer number (28351497900).

Almost surely, 2^449181931763 is an apocalyptic number.

449181931763 is a deficient number, since it is larger than the sum of its proper divisors (4442034637).

449181931763 is a wasteful number, since it uses less digits than its factorization.

449181931763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878.

The product of its digits is 3919104, while the sum is 56.

The spelling of 449181931763 in words is "four hundred forty-nine billion, one hundred eighty-one million, nine hundred thirty-one thousand, seven hundred sixty-three".