419513819 has 2 divisors, whose sum is σ = 419513820. Its totient is φ = 419513818.

The previous prime is 419513771. The next prime is 419513849. The reversal of 419513819 is 918315914.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419513819 is a prime.

It is a super-2 number, since 2×419513819² = 351983688663929522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (419513849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209756909 + 209756910.

It is an arithmetic number, because the mean of its divisors is an integer number (209756910).

Almost surely, 2^419513819 is an apocalyptic number.

419513819 is a deficient number, since it is larger than the sum of its proper divisors (1).

419513819 is an equidigital number, since it uses as much as digits as its factorization.

419513819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 41.

The square root of 419513819 is about 20482.0364954269. The cubic root of 419513819 is about 748.5981630664.

The spelling of 419513819 in words is "four hundred nineteen million, five hundred thirteen thousand, eight hundred nineteen".