189373061 has 2 divisors, whose sum is σ = 189373062. Its totient is φ = 189373060.

The previous prime is 189373039. The next prime is 189373069. The reversal of 189373061 is 160373981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181980100 + 7392961 = 13490^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 189373061 - 2¹⁰ = 189372037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189373069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94686530 + 94686531.

It is an arithmetic number, because the mean of its divisors is an integer number (94686531).

Almost surely, 2^189373061 is an apocalyptic number.

It is an amenable number.

189373061 is a deficient number, since it is larger than the sum of its proper divisors (1).

189373061 is an equidigital number, since it uses as much as digits as its factorization.

189373061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 189373061 is about 13761.2884934515. The cubic root of 189373061 is about 574.2566939801.

The spelling of 189373061 in words is "one hundred eighty-nine million, three hundred seventy-three thousand, sixty-one".