449382671169 has 16 divisors (see below), whose sum is σ = 620787523584. Its totient is φ = 288854456400.

The previous prime is 449382671159. The next prime is 449382671173. The reversal of 449382671169 is 961176283944.

It is not a de Polignac number, because 449382671169 - 2⁷ = 449382671041 is a prime.

It is a super-2 number, since 2×449382671169² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449382671159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8890059 + ... + 8940464.

It is an arithmetic number, because the mean of its divisors is an integer number (38799220224).

Almost surely, 2^449382671169 is an apocalyptic number.

It is an amenable number.

449382671169 is a deficient number, since it is larger than the sum of its proper divisors (171404852415).

449382671169 is a wasteful number, since it uses less digits than its factorization.

449382671169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830828.

The product of its digits is 15676416, while the sum is 60.

The spelling of 449382671169 in words is "four hundred forty-nine billion, three hundred eighty-two million, six hundred seventy-one thousand, one hundred sixty-nine".