9854839613 has 2 divisors, whose sum is σ = 9854839614. Its totient is φ = 9854839612.

The previous prime is 9854839607. The next prime is 9854839637. The reversal of 9854839613 is 3169384589.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9719396569 + 135443044 = 98587^2 + 11638^2 .

It is a cyclic number.

It is not a de Polignac number, because 9854839613 - 2⁶ = 9854839549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9854839213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4927419806 + 4927419807.

It is an arithmetic number, because the mean of its divisors is an integer number (4927419807).

Almost surely, 2^9854839613 is an apocalyptic number.

It is an amenable number.

9854839613 is a deficient number, since it is larger than the sum of its proper divisors (1).

9854839613 is an equidigital number, since it uses as much as digits as its factorization.

9854839613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 56.

The square root of 9854839613 is about 99271.5448303289. The cubic root of 9854839613 is about 2143.9592187662.

The spelling of 9854839613 in words is "nine billion, eight hundred fifty-four million, eight hundred thirty-nine thousand, six hundred thirteen".