8849647509 has 8 divisors (see below), whose sum is σ = 12312553152. Its totient is φ = 5643253440.

The previous prime is 8849647481. The next prime is 8849647523. The reversal of 8849647509 is 9057469488.

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

It is not a de Polignac number, because 8849647509 - 2¹¹ = 8849645461 is a prime.

It is a super-2 number, since 2×8849647509² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8849647589) 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, 64127812 + ... + 64127949.

It is an arithmetic number, because the mean of its divisors is an integer number (1539069144).

Almost surely, 2^8849647509 is an apocalyptic number.

It is an amenable number.

8849647509 is a deficient number, since it is larger than the sum of its proper divisors (3462905643).

8849647509 is a wasteful number, since it uses less digits than its factorization.

8849647509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128255787.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The square root of 8849647509 is about 94072.5651239510. The cubic root of 8849647509 is about 2068.4355382547.

The spelling of 8849647509 in words is "eight billion, eight hundred forty-nine million, six hundred forty-seven thousand, five hundred nine".