683486389 has 2 divisors, whose sum is σ = 683486390. Its totient is φ = 683486388.

The previous prime is 683486387. The next prime is 683486467. The reversal of 683486389 is 983684386.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390734289 + 292752100 = 19767^2 + 17110^2 .

It is a cyclic number.

It is not a de Polignac number, because 683486389 - 2¹ = 683486387 is a prime.

Together with 683486387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683486381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341743194 + 341743195.

It is an arithmetic number, because the mean of its divisors is an integer number (341743195).

Almost surely, 2^683486389 is an apocalyptic number.

It is an amenable number.

683486389 is a deficient number, since it is larger than the sum of its proper divisors (1).

683486389 is an equidigital number, since it uses as much as digits as its factorization.

683486389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 55.

The square root of 683486389 is about 26143.5726135507. The cubic root of 683486389 is about 880.8662222150.

The spelling of 683486389 in words is "six hundred eighty-three million, four hundred eighty-six thousand, three hundred eighty-nine".