209584502419 has 2 divisors, whose sum is σ = 209584502420. Its totient is φ = 209584502418.

The previous prime is 209584502411. The next prime is 209584502423. The reversal of 209584502419 is 914205485902.

209584502419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 209584502419 - 2³ = 209584502411 is a prime.

It is a super-2 number, since 2×209584502419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (209584502411) 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, 104792251209 + 104792251210.

It is an arithmetic number, because the mean of its divisors is an integer number (104792251210).

Almost surely, 2^209584502419 is an apocalyptic number.

209584502419 is a deficient number, since it is larger than the sum of its proper divisors (1).

209584502419 is an equidigital number, since it uses as much as digits as its factorization.

209584502419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 209584502419 in words is "two hundred nine billion, five hundred eighty-four million, five hundred two thousand, four hundred nineteen".