9844994489 has 16 divisors (see below), whose sum is σ = 11015201664. Its totient is φ = 8722896000.

The previous prime is 9844994479. The next prime is 9844994507.

9844994489 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9844994489 - 2⁴ = 9844994473 is a prime.

It is a super-2 number, since 2×9844994489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9844994429) 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, 32117 + ... + 143949.

It is an arithmetic number, because the mean of its divisors is an integer number (688450104).

Almost surely, 2^9844994489 is an apocalyptic number.

It is an amenable number.

9844994489 is a deficient number, since it is larger than the sum of its proper divisors (1170207175).

9844994489 is a wasteful number, since it uses less digits than its factorization.

9844994489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112048.

The product of its digits is 107495424, while the sum is 68.

The square root of 9844994489 is about 99221.9456017670. The cubic root of 9844994489 is about 2143.2450323696.

The spelling of 9844994489 in words is "nine billion, eight hundred forty-four million, nine hundred ninety-four thousand, four hundred eighty-nine".