449518287135 has 32 divisors (see below), whose sum is σ = 723025497600. Its totient is φ = 238478283648.

The previous prime is 449518287131. The next prime is 449518287143. The reversal of 449518287135 is 531782815944.

It is not a de Polignac number, because 449518287135 - 2² = 449518287131 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449518287131) 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 31 ways as a sum of consecutive naturals, for example, 13436689 + ... + 13470101.

It is an arithmetic number, because the mean of its divisors is an integer number (22594546800).

Almost surely, 2^449518287135 is an apocalyptic number.

449518287135 is a deficient number, since it is larger than the sum of its proper divisors (273507210465).

449518287135 is a wasteful number, since it uses less digits than its factorization.

449518287135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38127.

The product of its digits is 9676800, while the sum is 57.

The spelling of 449518287135 in words is "four hundred forty-nine billion, five hundred eighteen million, two hundred eighty-seven thousand, one hundred thirty-five".