189363103 has 2 divisors, whose sum is σ = 189363104. Its totient is φ = 189363102.

The previous prime is 189363073. The next prime is 189363107. The reversal of 189363103 is 301363981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189363103 - 2²⁵ = 155808671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189363107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94681551 + 94681552.

It is an arithmetic number, because the mean of its divisors is an integer number (94681552).

Almost surely, 2^189363103 is an apocalyptic number.

189363103 is a deficient number, since it is larger than the sum of its proper divisors (1).

189363103 is an equidigital number, since it uses as much as digits as its factorization.

189363103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 189363103 is about 13760.9266766450. The cubic root of 189363103 is about 574.2466282253.

The spelling of 189363103 in words is "one hundred eighty-nine million, three hundred sixty-three thousand, one hundred three".