9487447849 has 8 divisors (see below), whose sum is σ = 10357497792. Its totient is φ = 8618657040.

The previous prime is 9487447843. The next prime is 9487447861.

9487447849 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 9487447849 - 2¹³ = 9487439657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9487447843) 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, 298989 + ... + 329194.

It is an arithmetic number, because the mean of its divisors is an integer number (1294687224).

Almost surely, 2^9487447849 is an apocalyptic number.

It is an amenable number.

9487447849 is a deficient number, since it is larger than the sum of its proper divisors (870049943).

9487447849 is a wasteful number, since it uses less digits than its factorization.

9487447849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629567.

The product of its digits is 65028096, while the sum is 64.

The square root of 9487447849 is about 97403.5309883579. The cubic root of 9487447849 is about 2116.9785968408.

The spelling of 9487447849 in words is "nine billion, four hundred eighty-seven million, four hundred forty-seven thousand, eight hundred forty-nine".