189068293 has 2 divisors, whose sum is σ = 189068294. Its totient is φ = 189068292.

The previous prime is 189068267. The next prime is 189068309. The reversal of 189068293 is 392860981.

It is the 5614-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96177249 + 92891044 = 9807^2 + 9638^2 .

It is an emirp because it is prime and its reverse (392860981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189068293 - 2¹³ = 189060101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189008293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94534146 + 94534147.

It is an arithmetic number, because the mean of its divisors is an integer number (94534147).

Almost surely, 2^189068293 is an apocalyptic number.

It is an amenable number.

189068293 is a deficient number, since it is larger than the sum of its proper divisors (1).

189068293 is an equidigital number, since it uses as much as digits as its factorization.

189068293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 189068293 is about 13750.2106529318. The cubic root of 189068293 is about 573.9484681002.

The spelling of 189068293 in words is "one hundred eighty-nine million, sixty-eight thousand, two hundred ninety-three".