683419409 has 2 divisors, whose sum is σ = 683419410. Its totient is φ = 683419408.

The previous prime is 683419393. The next prime is 683419469. The reversal of 683419409 is 904914386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612067600 + 71351809 = 24740^2 + 8447^2 .

It is a cyclic number.

It is not a de Polignac number, because 683419409 - 2⁴ = 683419393 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683419409.

It is not a weakly prime, because it can be changed into another prime (683419469) 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, 341709704 + 341709705.

It is an arithmetic number, because the mean of its divisors is an integer number (341709705).

Almost surely, 2^683419409 is an apocalyptic number.

It is an amenable number.

683419409 is a deficient number, since it is larger than the sum of its proper divisors (1).

683419409 is an equidigital number, since it uses as much as digits as its factorization.

683419409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 683419409 is about 26142.2915789722. The cubic root of 683419409 is about 880.8374470276.

The spelling of 683419409 in words is "six hundred eighty-three million, four hundred nineteen thousand, four hundred nine".