9612690866399 has 8 divisors (see below), whose sum is σ = 9614838775680. Its totient is φ = 9610543215000.

The previous prime is 9612690866353. The next prime is 9612690866437. The reversal of 9612690866399 is 9936680962169.

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 9612690866399 - 2⁴⁰ = 8513179238623 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 (9612690869399) 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, 87134024 + ... + 87244274.

It is an arithmetic number, because the mean of its divisors is an integer number (1201854846960).

Almost surely, 2^{9612690866399} is an apocalyptic number.

9612690866399 is a deficient number, since it is larger than the sum of its proper divisors (2147909281).

9612690866399 is a wasteful number, since it uses less digits than its factorization.

9612690866399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128941.

The product of its (nonzero) digits is 408146688, while the sum is 74.

The spelling of 9612690866399 in words is "nine trillion, six hundred twelve billion, six hundred ninety million, eight hundred sixty-six thousand, three hundred ninety-nine".