449414697785 has 4 divisors (see below), whose sum is σ = 539297637348. Its totient is φ = 359531758224.

The previous prime is 449414697749. The next prime is 449414697847. The reversal of 449414697785 is 587796414944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150651883321 + 298762814464 = 388139^2 + 546592^2 .

It is a cyclic number.

It is not a de Polignac number, because 449414697785 - 2²² = 449410503481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44941469774 + ... + 44941469783.

It is an arithmetic number, because the mean of its divisors is an integer number (134824409337).

Almost surely, 2^449414697785 is an apocalyptic number.

It is an amenable number.

449414697785 is a deficient number, since it is larger than the sum of its proper divisors (89882939563).

449414697785 is an equidigital number, since it uses as much as digits as its factorization.

449414697785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89882939562.

The product of its digits is 243855360, while the sum is 68.

The spelling of 449414697785 in words is "four hundred forty-nine billion, four hundred fourteen million, six hundred ninety-seven thousand, seven hundred eighty-five".