9843438506713 has 12 divisors (see below), whose sum is σ = 11491279742772. Its totient is φ = 8407207253760.

The previous prime is 9843438506711. The next prime is 9843438506723. The reversal of 9843438506713 is 3176058343489.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3085351971289 + 6758086535424 = 1756517^2 + 2599632^2 .

It is not a de Polignac number, because 9843438506713 - 2¹ = 9843438506711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9843438506711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357435520 + ... + 357463057.

It is an arithmetic number, because the mean of its divisors is an integer number (957606645231).

Almost surely, 2^{9843438506713} is an apocalyptic number.

It is an amenable number.

9843438506713 is a deficient number, since it is larger than the sum of its proper divisors (1647841236059).

9843438506713 is a wasteful number, since it uses less digits than its factorization.

9843438506713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714898872 (or 714898865 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 9843438506713 in words is "nine trillion, eight hundred forty-three billion, four hundred thirty-eight million, five hundred six thousand, seven hundred thirteen".