419419321 has 2 divisors, whose sum is σ = 419419322. Its totient is φ = 419419320.

The previous prime is 419419279. The next prime is 419419391. The reversal of 419419321 is 123914914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249482025 + 169937296 = 15795^2 + 13036^2 .

It is a cyclic number.

It is not a de Polignac number, because 419419321 - 2²³ = 411030713 is a prime.

It is not a weakly prime, because it can be changed into another prime (419419391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209709660 + 209709661.

It is an arithmetic number, because the mean of its divisors is an integer number (209709661).

Almost surely, 2^419419321 is an apocalyptic number.

It is an amenable number.

419419321 is a deficient number, since it is larger than the sum of its proper divisors (1).

419419321 is an equidigital number, since it uses as much as digits as its factorization.

419419321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 419419321 is about 20479.7295148154. The cubic root of 419419321 is about 748.5419501057.

The spelling of 419419321 in words is "four hundred nineteen million, four hundred nineteen thousand, three hundred twenty-one".