189706226108233 has 2 divisors, whose sum is σ = 189706226108234. Its totient is φ = 189706226108232.

The previous prime is 189706226108167. The next prime is 189706226108317. The reversal of 189706226108233 is 332801622607981.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113444482665024 + 76261743443209 = 10651032^2 + 8732797^2 .

It is an emirp because it is prime and its reverse (332801622607981) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189706226108233 is a prime.

It is not a weakly prime, because it can be changed into another prime (189706226108033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94853113054116 + 94853113054117.

It is an arithmetic number, because the mean of its divisors is an integer number (94853113054117).

Almost surely, 2^{189706226108233} is an apocalyptic number.

It is an amenable number.

189706226108233 is a deficient number, since it is larger than the sum of its proper divisors (1).

189706226108233 is an equidigital number, since it uses as much as digits as its factorization.

189706226108233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 189706226108233 in words is "one hundred eighty-nine trillion, seven hundred six billion, two hundred twenty-six million, one hundred eight thousand, two hundred thirty-three".