9368072145809 has 16 divisors (see below), whose sum is σ = 10151231968080. Its totient is φ = 8645029136640.

The previous prime is 9368072145787. The next prime is 9368072145821. The reversal of 9368072145809 is 9085412708639.

It can be written as a sum of positive squares in 8 ways, for example, as 7664924473600 + 1703147672209 = 2768560^2 + 1305047^2 .

It is not a de Polignac number, because 9368072145809 - 2¹² = 9368072141713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9368072147809) 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 15 ways as a sum of consecutive naturals, for example, 7272089 + ... + 8462825.

It is an arithmetic number, because the mean of its divisors is an integer number (634451998005).

It is a 1-persistent number, because it is pandigital, but 2⋅9368072145809 = 18736144291618 is not.

Almost surely, 2^{9368072145809} is an apocalyptic number.

It is an amenable number.

9368072145809 is a deficient number, since it is larger than the sum of its proper divisors (783159822271).

9368072145809 is a wasteful number, since it uses less digits than its factorization.

9368072145809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194357 (or 1194331 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 9368072145809 in words is "nine trillion, three hundred sixty-eight billion, seventy-two million, one hundred forty-five thousand, eight hundred nine".