9644913600667 has 8 divisors (see below), whose sum is σ = 9659100528000. Its totient is φ = 9630731901504.

The previous prime is 9644913600659. The next prime is 9644913600691. The reversal of 9644913600667 is 7660063194469.

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 9644913600667 - 2³ = 9644913600659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9644913600697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392959 + ... + 5001607.

It is an arithmetic number, because the mean of its divisors is an integer number (1207387566000).

Almost surely, 2^{9644913600667} is an apocalyptic number.

9644913600667 is a deficient number, since it is larger than the sum of its proper divisors (14186927333).

9644913600667 is a wasteful number, since it uses less digits than its factorization.

9644913600667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614085.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 9644913600667 in words is "nine trillion, six hundred forty-four billion, nine hundred thirteen million, six hundred thousand, six hundred sixty-seven".