9747564364799 has 16 divisors (see below), whose sum is σ = 10146057239520. Its totient is φ = 9353235265920.

The previous prime is 9747564364753. The next prime is 9747564364829. The reversal of 9747564364799 is 9974634657479.

It is a cyclic number.

It is not a de Polignac number, because 9747564364799 - 2²⁰ = 9747563316223 is a prime.

It is a super-2 number, since 2×9747564364799² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9747564364729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128522309 + ... + 128598129.

It is an arithmetic number, because the mean of its divisors is an integer number (634128577470).

Almost surely, 2^{9747564364799} is an apocalyptic number.

9747564364799 is a deficient number, since it is larger than the sum of its proper divisors (398492874721).

9747564364799 is a wasteful number, since it uses less digits than its factorization.

9747564364799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103210.

The product of its digits is 8641624320, while the sum is 80.

The spelling of 9747564364799 in words is "nine trillion, seven hundred forty-seven billion, five hundred sixty-four million, three hundred sixty-four thousand, seven hundred ninety-nine".