449202504651291 has 6 divisors (see below), whose sum is σ = 648848062274100. Its totient is φ = 299468336434188.

The previous prime is 449202504651269. The next prime is 449202504651301. The reversal of 449202504651291 is 192156405202944.

It is a happy number.

449202504651291 is a `hidden beast` number, since 4 + 4 + 9 + 2 + 0 + 2 + 50 + 465 + 129 + 1 = 666.

It is not a de Polignac number, because 449202504651291 - 2¹¹ = 449202504649243 is a prime.

It is a super-2 number, since 2×449202504651291² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449202504651211) 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 5 ways as a sum of consecutive naturals, for example, 24955694702841 + ... + 24955694702858.

It is an arithmetic number, because the mean of its divisors is an integer number (108141343712350).

Almost surely, 2^{449202504651291} is an apocalyptic number.

449202504651291 is a deficient number, since it is larger than the sum of its proper divisors (199645557622809).

449202504651291 is a wasteful number, since it uses less digits than its factorization.

449202504651291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49911389405705 (or 49911389405702 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 449202504651291 in words is "four hundred forty-nine trillion, two hundred two billion, five hundred four million, six hundred fifty-one thousand, two hundred ninety-one".