419859469 has 2 divisors, whose sum is σ = 419859470. Its totient is φ = 419859468.

The previous prime is 419859467. The next prime is 419859491. The reversal of 419859469 is 964958914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338192100 + 81667369 = 18390^2 + 9037^2 .

It is a cyclic number.

It is not a de Polignac number, because 419859469 - 2¹ = 419859467 is a prime.

It is a super-2 number, since 2×419859469² = 352563947417923922, which contains 22 as substring.

Together with 419859467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419859463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209929734 + 209929735.

It is an arithmetic number, because the mean of its divisors is an integer number (209929735).

Almost surely, 2^419859469 is an apocalyptic number.

It is an amenable number.

419859469 is a deficient number, since it is larger than the sum of its proper divisors (1).

419859469 is an equidigital number, since it uses as much as digits as its factorization.

419859469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 55.

The square root of 419859469 is about 20490.4726397416. The cubic root of 419859469 is about 748.8037041087.

The spelling of 419859469 in words is "four hundred nineteen million, eight hundred fifty-nine thousand, four hundred sixty-nine".