9985334489 has 8 divisors (see below), whose sum is σ = 11385992520. Its totient is φ = 8675041536.

The previous prime is 9985334473. The next prime is 9985334497. The reversal of 9985334489 is 9844335899.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3566120089 + 6419214400 = 59717^2 + 80120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9985334489 - 2⁴ = 9985334473 is a prime.

It is a super-2 number, since 2×9985334489² (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 (9985334449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22591034 + ... + 22591475.

It is an arithmetic number, because the mean of its divisors is an integer number (1423249065).

Almost surely, 2^9985334489 is an apocalyptic number.

It is an amenable number.

9985334489 is a deficient number, since it is larger than the sum of its proper divisors (1400658031).

9985334489 is a wasteful number, since it uses less digits than its factorization.

9985334489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45182539.

The product of its digits is 33592320, while the sum is 62.

The square root of 9985334489 is about 99926.6455406164. The cubic root of 9985334489 is about 2153.3809785685.

The spelling of 9985334489 in words is "nine billion, nine hundred eighty-five million, three hundred thirty-four thousand, four hundred eighty-nine".