449853358945 has 16 divisors (see below), whose sum is σ = 553051976400. Its totient is φ = 351066009600.

The previous prime is 449853358907. The next prime is 449853358951. The reversal of 449853358945 is 549853358944.

It can be written as a sum of positive squares in 8 ways, for example, as 697382464 + 449155976481 = 26408^2 + 670191^2 .

It is not a de Polignac number, because 449853358945 - 2¹⁹ = 449852834657 is a prime.

It is an unprimeable number.

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, 1799185 + ... + 2033905.

It is an arithmetic number, because the mean of its divisors is an integer number (34565748525).

Almost surely, 2^449853358945 is an apocalyptic number.

It is an amenable number.

449853358945 is a deficient number, since it is larger than the sum of its proper divisors (103198617455).

449853358945 is a wasteful number, since it uses less digits than its factorization.

449853358945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244116.

The product of its digits is 373248000, while the sum is 67.

Subtracting 449853358945 from its reverse (549853358944), we obtain a palindrome (99999999999).

The spelling of 449853358945 in words is "four hundred forty-nine billion, eight hundred fifty-three million, three hundred fifty-eight thousand, nine hundred forty-five".