9864639842113 has 8 divisors (see below), whose sum is σ = 11937043170432. Its totient is φ = 7958028780096.

The previous prime is 9864639842069. The next prime is 9864639842137. The reversal of 9864639842113 is 3112489364689.

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

It is a cyclic number.

It is not a de Polignac number, because 9864639842113 - 2²⁹ = 9864102971201 is a prime.

It is a super-2 number, since 2×9864639842113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9864639845113) 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, 41448066445 + ... + 41448066682.

It is an arithmetic number, because the mean of its divisors is an integer number (1492130396304).

Almost surely, 2^{9864639842113} is an apocalyptic number.

It is an amenable number.

9864639842113 is a deficient number, since it is larger than the sum of its proper divisors (2072403328319).

9864639842113 is a wasteful number, since it uses less digits than its factorization.

9864639842113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82896133151.

The product of its digits is 53747712, while the sum is 64.

The spelling of 9864639842113 in words is "nine trillion, eight hundred sixty-four billion, six hundred thirty-nine million, eight hundred forty-two thousand, one hundred thirteen".