189841393201 has 2 divisors, whose sum is σ = 189841393202. Its totient is φ = 189841393200.

The previous prime is 189841393139. The next prime is 189841393223. The reversal of 189841393201 is 102393148981.

It is a happy number.

189841393201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184061592576 + 5779800625 = 429024^2 + 76025^2 .

It is an emirp because it is prime and its reverse (102393148981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189841393201 - 2¹³ = 189841385009 is a prime.

It is not a weakly prime, because it can be changed into another prime (189841394201) 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, 94920696600 + 94920696601.

It is an arithmetic number, because the mean of its divisors is an integer number (94920696601).

Almost surely, 2^189841393201 is an apocalyptic number.

It is an amenable number.

189841393201 is a deficient number, since it is larger than the sum of its proper divisors (1).

189841393201 is an equidigital number, since it uses as much as digits as its factorization.

189841393201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 189841393201 in words is "one hundred eighty-nine billion, eight hundred forty-one million, three hundred ninety-three thousand, two hundred one".