449635131037449 has 16 divisors (see below), whose sum is σ = 761286994349440. Its totient is φ = 256934360592720.

The previous prime is 449635131037361. The next prime is 449635131037459. The reversal of 449635131037449 is 944730131536944.

It is a happy number.

449635131037449 is a `hidden beast` number, since 4 + 4 + 9 + 6 + 3 + 513 + 1 + 0 + 3 + 74 + 49 = 666.

It is not a de Polignac number, because 449635131037449 - 2¹³ = 449635131029257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449635131037459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189510928482 + ... + 1189510928859.

It is an arithmetic number, because the mean of its divisors is an integer number (47580437146840).

Almost surely, 2^{449635131037449} is an apocalyptic number.

It is an amenable number.

449635131037449 is a deficient number, since it is larger than the sum of its proper divisors (311651863311991).

449635131037449 is a wasteful number, since it uses less digits than its factorization.

449635131037449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379021857357 (or 2379021857351 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 449635131037449 in words is "four hundred forty-nine trillion, six hundred thirty-five billion, one hundred thirty-one million, thirty-seven thousand, four hundred forty-nine".