419189369 has 2 divisors, whose sum is σ = 419189370. Its totient is φ = 419189368.

The previous prime is 419189339. The next prime is 419189387. The reversal of 419189369 is 963981914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399520144 + 19669225 = 19988^2 + 4435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419189369 is a prime.

It is a super-3 number, since 3×419189369³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (419189339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209594684 + 209594685.

It is an arithmetic number, because the mean of its divisors is an integer number (209594685).

Almost surely, 2^419189369 is an apocalyptic number.

It is an amenable number.

419189369 is a deficient number, since it is larger than the sum of its proper divisors (1).

419189369 is an equidigital number, since it uses as much as digits as its factorization.

419189369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 50.

The square root of 419189369 is about 20474.1146084513. The cubic root of 419189369 is about 748.4051258690.

The spelling of 419189369 in words is "four hundred nineteen million, one hundred eighty-nine thousand, three hundred sixty-nine".