9649558068 has 12 divisors (see below), whose sum is σ = 22515635520. Its totient is φ = 3216519352.

The previous prime is 9649558043. The next prime is 9649558073. The reversal of 9649558068 is 8608559469.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×9649558068² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402064908 + ... + 402064931.

It is an arithmetic number, because the mean of its divisors is an integer number (1876302960).

Almost surely, 2^9649558068 is an apocalyptic number.

It is an amenable number.

9649558068 is an abundant number, since it is smaller than the sum of its proper divisors (12866077452).

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

9649558068 is a wasteful number, since it uses less digits than its factorization.

9649558068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804129846 (or 804129844 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 60.

The square root of 9649558068 is about 98232.1641215340. The cubic root of 9649558068 is about 2128.9680372124.

The spelling of 9649558068 in words is "nine billion, six hundred forty-nine million, five hundred fifty-eight thousand, sixty-eight".