189419101 has 2 divisors, whose sum is σ = 189419102. Its totient is φ = 189419100.

The previous prime is 189419089. The next prime is 189419119. The reversal of 189419101 is 101914981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171348100 + 18071001 = 13090^2 + 4251^2 .

It is a cyclic number.

It is not a de Polignac number, because 189419101 - 2¹³ = 189410909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189419201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94709550 + 94709551.

It is an arithmetic number, because the mean of its divisors is an integer number (94709551).

Almost surely, 2^189419101 is an apocalyptic number.

It is an amenable number.

189419101 is a deficient number, since it is larger than the sum of its proper divisors (1).

189419101 is an equidigital number, since it uses as much as digits as its factorization.

189419101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 189419101 is about 13762.9612002650. The cubic root of 189419101 is about 574.3032275891.

The spelling of 189419101 in words is "one hundred eighty-nine million, four hundred nineteen thousand, one hundred one".