9854839648 has 24 divisors (see below), whose sum is σ = 19423644912. Its totient is φ = 4921850496.

The previous prime is 9854839637. The next prime is 9854839651. The reversal of 9854839648 is 8469384589.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9854839648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145215 + ... + 201982.

It is an arithmetic number, because the mean of its divisors is an integer number (809318538).

Almost surely, 2^9854839648 is an apocalyptic number.

It is an amenable number.

9854839648 is a deficient number, since it is larger than the sum of its proper divisors (9568805264).

9854839648 is a wasteful number, since it uses less digits than its factorization.

9854839648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348094 (or 348086 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

The square root of 9854839648 is about 99271.5450066130. The cubic root of 9854839648 is about 2143.9592213043.

The spelling of 9854839648 in words is "nine billion, eight hundred fifty-four million, eight hundred thirty-nine thousand, six hundred forty-eight".