449812247177 has 4 divisors (see below), whose sum is σ = 454866317460. Its totient is φ = 444758176896.

The previous prime is 449812247153. The next prime is 449812247233. The reversal of 449812247177 is 771742218944.

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 168025388281 + 281786858896 = 409909^2 + 530836^2 .

It is a cyclic number.

It is not a de Polignac number, because 449812247177 - 2²⁰ = 449811198601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449812207177) 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 3 ways as a sum of consecutive naturals, for example, 2527035008 + ... + 2527035185.

It is an arithmetic number, because the mean of its divisors is an integer number (113716579365).

Almost surely, 2^449812247177 is an apocalyptic number.

It is an amenable number.

449812247177 is a deficient number, since it is larger than the sum of its proper divisors (5054070283).

449812247177 is an equidigital number, since it uses as much as digits as its factorization.

449812247177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054070282.

The product of its digits is 6322176, while the sum is 56.

The spelling of 449812247177 in words is "four hundred forty-nine billion, eight hundred twelve million, two hundred forty-seven thousand, one hundred seventy-seven".