189089063 has 2 divisors, whose sum is σ = 189089064. Its totient is φ = 189089062.

The previous prime is 189089051. The next prime is 189089099. The reversal of 189089063 is 360980981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189089063 - 2¹⁴ = 189072679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189088063) 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, 94544531 + 94544532.

It is an arithmetic number, because the mean of its divisors is an integer number (94544532).

Almost surely, 2^189089063 is an apocalyptic number.

189089063 is a deficient number, since it is larger than the sum of its proper divisors (1).

189089063 is an equidigital number, since it uses as much as digits as its factorization.

189089063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 189089063 is about 13750.9658933473. The cubic root of 189089063 is about 573.9694842684.

The spelling of 189089063 in words is "one hundred eighty-nine million, eighty-nine thousand, sixty-three".