449655137769 has 8 divisors (see below), whose sum is σ = 605721010720. Its totient is φ = 296679678336.

The previous prime is 449655137741. The next prime is 449655137807. The reversal of 449655137769 is 967731556944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449655137769 - 2⁷ = 449655137641 is a prime.

It is a super-2 number, since 2×449655137769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449655137069) 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 7 ways as a sum of consecutive naturals, for example, 772603039 + ... + 772603620.

It is an arithmetic number, because the mean of its divisors is an integer number (75715126340).

Almost surely, 2^449655137769 is an apocalyptic number.

It is an amenable number.

449655137769 is a deficient number, since it is larger than the sum of its proper divisors (156065872951).

449655137769 is a wasteful number, since it uses less digits than its factorization.

449655137769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545206759.

The product of its digits is 171460800, while the sum is 66.

The spelling of 449655137769 in words is "four hundred forty-nine billion, six hundred fifty-five million, one hundred thirty-seven thousand, seven hundred sixty-nine".