9866469197 has 8 divisors (see below), whose sum is σ = 11250453816. Its totient is φ = 8571773952.

The previous prime is 9866469187. The next prime is 9866469253. The reversal of 9866469197 is 7919646689.

9866469197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 192959881 + 9673509316 = 13891^2 + 98354^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9866469197 - 2¹² = 9866465101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9866469127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22322108 + ... + 22322549.

It is an arithmetic number, because the mean of its divisors is an integer number (1406306727).

Almost surely, 2^9866469197 is an apocalyptic number.

It is an amenable number.

9866469197 is a deficient number, since it is larger than the sum of its proper divisors (1383984619).

9866469197 is a wasteful number, since it uses less digits than its factorization.

9866469197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44644687.

The product of its digits is 35271936, while the sum is 65.

The square root of 9866469197 is about 99330.1021694833. The cubic root of 9866469197 is about 2144.8022411922.

The spelling of 9866469197 in words is "nine billion, eight hundred sixty-six million, four hundred sixty-nine thousand, one hundred ninety-seven".