9646828197 has 4 divisors (see below), whose sum is σ = 12862437600. Its totient is φ = 6431218796.

The previous prime is 9646828159. The next prime is 9646828223. The reversal of 9646828197 is 7918286469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9646828197 - 2⁸ = 9646827941 is a prime.

It is a super-2 number, since 2×9646828197² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9646828197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9646828117) 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, 1607804697 + ... + 1607804702.

It is an arithmetic number, because the mean of its divisors is an integer number (3215609400).

Almost surely, 2^9646828197 is an apocalyptic number.

It is an amenable number.

9646828197 is a deficient number, since it is larger than the sum of its proper divisors (3215609403).

9646828197 is a wasteful number, since it uses less digits than its factorization.

9646828197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215609402.

The product of its digits is 10450944, while the sum is 60.

The square root of 9646828197 is about 98218.2681429478. The cubic root of 9646828197 is about 2128.7672557809.

The spelling of 9646828197 in words is "nine billion, six hundred forty-six million, eight hundred twenty-eight thousand, one hundred ninety-seven".