8449045949705 has 16 divisors (see below), whose sum is σ = 10145097192960. Its totient is φ = 6755075902848.

The previous prime is 8449045949647. The next prime is 8449045949717. The reversal of 8449045949705 is 5079495409448.

It is a cyclic number.

It is not a de Polignac number, because 8449045949705 - 2¹² = 8449045945609 is a prime.

It is a super-3 number, since 3×8449045949705³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226115354 + ... + 226152716.

It is an arithmetic number, because the mean of its divisors is an integer number (634068574560).

Almost surely, 2^{8449045949705} is an apocalyptic number.

It is an amenable number.

8449045949705 is a deficient number, since it is larger than the sum of its proper divisors (1696051243255).

8449045949705 is a wasteful number, since it uses less digits than its factorization.

8449045949705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64000.

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 8449045949705 in words is "eight trillion, four hundred forty-nine billion, forty-five million, nine hundred forty-nine thousand, seven hundred five".