9861214609 has 8 divisors (see below), whose sum is σ = 10052994240. Its totient is φ = 9669646896.

The previous prime is 9861214591. The next prime is 9861214613. The reversal of 9861214609 is 9064121689.

It is a happy number.

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 9861214609 - 2⁵ = 9861214577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9861214109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42652 + ... + 146770.

It is an arithmetic number, because the mean of its divisors is an integer number (1256624280).

Almost surely, 2^9861214609 is an apocalyptic number.

It is an amenable number.

9861214609 is a deficient number, since it is larger than the sum of its proper divisors (191779631).

9861214609 is a wasteful number, since it uses less digits than its factorization.

9861214609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105959.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 9861214609 is about 99303.6485180681. The cubic root of 9861214609 is about 2144.4214209554.

The spelling of 9861214609 in words is "nine billion, eight hundred sixty-one million, two hundred fourteen thousand, six hundred nine".