9639606064 has 40 divisors (see below), whose sum is σ = 20496688128. Its totient is φ = 4355388480.

The previous prime is 9639606037. The next prime is 9639606073. The reversal of 9639606064 is 4606069369.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9639605999 and 9639606017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134592 + ... + 193375.

Almost surely, 2^9639606064 is an apocalyptic number.

It is an amenable number.

9639606064 is an abundant number, since it is smaller than the sum of its proper divisors (10857082064).

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

9639606064 is a wasteful number, since it uses less digits than its factorization.

9639606064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328153 (or 328147 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 49.

The square root of 9639606064 is about 98181.4955274160. The cubic root of 9639606064 is about 2128.2358867067.

The spelling of 9639606064 in words is "nine billion, six hundred thirty-nine million, six hundred six thousand, sixty-four".