419343976109 has 2 divisors, whose sum is σ = 419343976110. Its totient is φ = 419343976108.

The previous prime is 419343976097. The next prime is 419343976123. The reversal of 419343976109 is 901679343914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417319876009 + 2024100100 = 646003^2 + 44990^2 .

It is a cyclic number.

It is not a de Polignac number, because 419343976109 - 2²⁰ = 419342927533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419343976159) 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, 209671988054 + 209671988055.

It is an arithmetic number, because the mean of its divisors is an integer number (209671988055).

Almost surely, 2^419343976109 is an apocalyptic number.

It is an amenable number.

419343976109 is a deficient number, since it is larger than the sum of its proper divisors (1).

419343976109 is an equidigital number, since it uses as much as digits as its factorization.

419343976109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 419343976109 in words is "four hundred nineteen billion, three hundred forty-three million, nine hundred seventy-six thousand, one hundred nine".