9846440446489 has 4 divisors (see below), whose sum is σ = 9876188001040. Its totient is φ = 9816692891940.

The previous prime is 9846440446429. The next prime is 9846440446529.

9846440446489 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9846440446489 - 2²⁵ = 9846406892057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9846440446429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14873776779 + ... + 14873777440.

It is an arithmetic number, because the mean of its divisors is an integer number (2469047000260).

Almost surely, 2^{9846440446489} is an apocalyptic number.

It is an amenable number.

9846440446489 is a deficient number, since it is larger than the sum of its proper divisors (29747554551).

9846440446489 is a wasteful number, since it uses less digits than its factorization.

9846440446489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29747554550.

The product of its (nonzero) digits is 764411904, while the sum is 70.

The spelling of 9846440446489 in words is "nine trillion, eight hundred forty-six billion, four hundred forty million, four hundred forty-six thousand, four hundred eighty-nine".