9309471356749 has 48 divisors (see below), whose sum is σ = 10297739350080. Its totient is φ = 8391118095360.

The previous prime is 9309471356743. The next prime is 9309471356753. The reversal of 9309471356749 is 9476531749039.

It is not a de Polignac number, because 9309471356749 - 2¹⁹ = 9309470832461 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 (9309471356743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 526515189 + ... + 526532869.

It is an arithmetic number, because the mean of its divisors is an integer number (214536236460).

Almost surely, 2^{9309471356749} is an apocalyptic number.

It is an amenable number.

9309471356749 is a deficient number, since it is larger than the sum of its proper divisors (988267993331).

9309471356749 is a wasteful number, since it uses less digits than its factorization.

9309471356749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18238 (or 18209 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 67.

The spelling of 9309471356749 in words is "nine trillion, three hundred nine billion, four hundred seventy-one million, three hundred fifty-six thousand, seven hundred forty-nine".