9646928113 has 4 divisors (see below), whose sum is σ = 9647242228. Its totient is φ = 9646614000.

The previous prime is 9646928047. The next prime is 9646928131. The reversal of 9646928113 is 3118296469.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7384308624 + 2262619489 = 85932^2 + 47567^2 .

It is a cyclic number.

It is not a de Polignac number, because 9646928113 - 2²¹ = 9644830961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9646928153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105306 + ... + 174307.

It is an arithmetic number, because the mean of its divisors is an integer number (2411810557).

Almost surely, 2^9646928113 is an apocalyptic number.

It is an amenable number.

9646928113 is a deficient number, since it is larger than the sum of its proper divisors (314115).

9646928113 is a wasteful number, since it uses less digits than its factorization.

9646928113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314114.

The product of its digits is 559872, while the sum is 49.

The square root of 9646928113 is about 98218.7767842789. The cubic root of 9646928113 is about 2128.7746052492.

The spelling of 9646928113 in words is "nine billion, six hundred forty-six million, nine hundred twenty-eight thousand, one hundred thirteen".