9854839612 has 24 divisors (see below), whose sum is σ = 17806527872. Its totient is φ = 4767336000.

The previous prime is 9854839607. The next prime is 9854839613. The reversal of 9854839612 is 2169384589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9854839613) 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, 775018 + ... + 787630.

Almost surely, 2^9854839612 is an apocalyptic number.

It is an amenable number.

9854839612 is a deficient number, since it is larger than the sum of its proper divisors (7951688260).

9854839612 is a wasteful number, since it uses less digits than its factorization.

9854839612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18949 (or 18947 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The square root of 9854839612 is about 99271.5448252922. The cubic root of 9854839612 is about 2143.9592186936.

The spelling of 9854839612 in words is "nine billion, eight hundred fifty-four million, eight hundred thirty-nine thousand, six hundred twelve".