9427038164209 has 8 divisors (see below), whose sum is σ = 9459020836520. Its totient is φ = 9395067367296.

The previous prime is 9427038164129. The next prime is 9427038164237. The reversal of 9427038164209 is 9024618307249.

It can be written as a sum of positive squares in 4 ways, for example, as 1443474893809 + 7983563270400 = 1201447^2 + 2825520^2 .

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 9427038164209 - 2¹³ = 9427038156017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9427038164209.

It is not an unprimeable number, because it can be changed into a prime (9427038164249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377054 + ... + 4555255.

It is an arithmetic number, because the mean of its divisors is an integer number (1182377604565).

Almost surely, 2^{9427038164209} is an apocalyptic number.

It is an amenable number.

9427038164209 is a deficient number, since it is larger than the sum of its proper divisors (31982672311).

9427038164209 is a wasteful number, since it uses less digits than its factorization.

9427038164209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937699.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 9427038164209 in words is "nine trillion, four hundred twenty-seven billion, thirty-eight million, one hundred sixty-four thousand, two hundred nine".