9021470842009 has 2 divisors, whose sum is σ = 9021470842010. Its totient is φ = 9021470842008.

The previous prime is 9021470841937. The next prime is 9021470842019. The reversal of 9021470842009 is 9002480741209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102891265625 + 1918579576384 = 2665125^2 + 1385128^2 .

It is a cyclic number.

It is not a de Polignac number, because 9021470842009 - 2⁹ = 9021470841497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9021470842009.

It is not a weakly prime, because it can be changed into another prime (9021470842019) 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 as a sum of consecutive naturals, namely, 4510735421004 + 4510735421005.

It is an arithmetic number, because the mean of its divisors is an integer number (4510735421005).

Almost surely, 2^{9021470842009} is an apocalyptic number.

It is an amenable number.

9021470842009 is a deficient number, since it is larger than the sum of its proper divisors (1).

9021470842009 is an equidigital number, since it uses as much as digits as its factorization.

9021470842009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 9021470842009 in words is "nine trillion, twenty-one billion, four hundred seventy million, eight hundred forty-two thousand, nine".