449191914896 has 10 divisors (see below), whose sum is σ = 870309335142. Its totient is φ = 224595957440.

The previous prime is 449191914877. The next prime is 449191914949. The reversal of 449191914896 is 698419191944.

It can be written as a sum of positive squares in only one way, i.e., 371051539600 + 78140375296 = 609140^2 + 279536^2 .

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 as a sum of consecutive naturals, namely, 14037247325 + ... + 14037247356.

Almost surely, 2^449191914896 is an apocalyptic number.

It is an amenable number.

449191914896 is a deficient number, since it is larger than the sum of its proper divisors (421117420246).

449191914896 is a wasteful number, since it uses less digits than its factorization.

449191914896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074494689 (or 28074494683 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 65.

The spelling of 449191914896 in words is "four hundred forty-nine billion, one hundred ninety-one million, nine hundred fourteen thousand, eight hundred ninety-six".