9189394564201 has 2 divisors, whose sum is σ = 9189394564202. Its totient is φ = 9189394564200.

The previous prime is 9189394564121. The next prime is 9189394564237. The reversal of 9189394564201 is 1024654939819.

9189394564201 = 2143524² + 2143525².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4594699425625 + 4594695138576 = 2143525^2 + 2143524^2 .

It is a cyclic number.

It is not a de Polignac number, because 9189394564201 - 2¹⁷ = 9189394433129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9189394564201.

It is not a weakly prime, because it can be changed into another prime (9189394564261) 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, 4594697282100 + 4594697282101.

It is an arithmetic number, because the mean of its divisors is an integer number (4594697282101).

Almost surely, 2^{9189394564201} is an apocalyptic number.

9189394564201 is the 2143525-th centered square number.

It is an amenable number.

9189394564201 is a deficient number, since it is larger than the sum of its proper divisors (1).

9189394564201 is an equidigital number, since it uses as much as digits as its factorization.

9189394564201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 9189394564201 in words is "nine trillion, one hundred eighty-nine billion, three hundred ninety-four million, five hundred sixty-four thousand, two hundred one".