9643207946064 has 160 divisors (see below), whose sum is σ = 31066700937216. Its totient is φ = 2504079567360.

The previous prime is 9643207946017. The next prime is 9643207946107. The reversal of 9643207946064 is 4606497023469.

It is a junction number, because it is equal to n+sod(n) for n = 9643207945989 and 9643207946007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13992909 + ... + 14665875.

Almost surely, 2^{9643207946064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9643207946064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15533350468608).

9643207946064 is an abundant number, since it is smaller than the sum of its proper divisors (21423492991152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9643207946064 is a wasteful number, since it uses less digits than its factorization.

9643207946064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676873 (or 676867 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 9643207946064 in words is "nine trillion, six hundred forty-three billion, two hundred seven million, nine hundred forty-six thousand, sixty-four".