9723075069849 has 4 divisors (see below), whose sum is σ = 12964100093136. Its totient is φ = 6482050046564.

The previous prime is 9723075069817. The next prime is 9723075069857. The reversal of 9723075069849 is 9489605703279.

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 9723075069849 - 2⁵ = 9723075069817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9723075069809) 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, 1620512511639 + ... + 1620512511644.

It is an arithmetic number, because the mean of its divisors is an integer number (3241025023284).

Almost surely, 2^{9723075069849} is an apocalyptic number.

It is an amenable number.

9723075069849 is a deficient number, since it is larger than the sum of its proper divisors (3241025023287).

9723075069849 is a wasteful number, since it uses less digits than its factorization.

9723075069849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241025023286.

The product of its (nonzero) digits is 205752960, while the sum is 69.

The spelling of 9723075069849 in words is "nine trillion, seven hundred twenty-three billion, seventy-five million, sixty-nine thousand, eight hundred forty-nine".