9489449849 has 8 divisors (see below), whose sum is σ = 10454624640. Its totient is φ = 8541358000.

The previous prime is 9489449831. The next prime is 9489449863.

9489449849 is nontrivially palindromic in base 10.

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 9489449849 - 2¹⁶ = 9489384313 is a prime.

It is a super-2 number, since 2×9489449849² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9489449869) 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, 4269569 + ... + 4271790.

It is an arithmetic number, because the mean of its divisors is an integer number (1306828080).

Almost surely, 2^9489449849 is an apocalyptic number.

It is an amenable number.

9489449849 is a deficient number, since it is larger than the sum of its proper divisors (965174791).

9489449849 is a wasteful number, since it uses less digits than its factorization.

9489449849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541471.

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

The square root of 9489449849 is about 97413.8072811036. The cubic root of 9489449849 is about 2117.1274915750.

The spelling of 9489449849 in words is "nine billion, four hundred eighty-nine million, four hundred forty-nine thousand, eight hundred forty-nine".