9866922296689 has 4 divisors (see below), whose sum is σ = 9991820047360. Its totient is φ = 9742024546020.

The previous prime is 9866922296681. The next prime is 9866922296711.

It is a happy number.

9866922296689 is nontrivially palindromic in base 10.

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 9866922296689 - 2³ = 9866922296681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9866922296681) 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, 62448875217 + ... + 62448875374.

It is an arithmetic number, because the mean of its divisors is an integer number (2497955011840).

Almost surely, 2^{9866922296689} is an apocalyptic number.

It is an amenable number.

9866922296689 is a deficient number, since it is larger than the sum of its proper divisors (124897750671).

9866922296689 is a wasteful number, since it uses less digits than its factorization.

9866922296689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124897750670.

The product of its digits is 4353564672, while the sum is 82.

The spelling of 9866922296689 in words is "nine trillion, eight hundred sixty-six billion, nine hundred twenty-two million, two hundred ninety-six thousand, six hundred eighty-nine".