683351869 has 2 divisors, whose sum is σ = 683351870. Its totient is φ = 683351868.

The previous prime is 683351863. The next prime is 683351897. The reversal of 683351869 is 968153386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430064644 + 253287225 = 20738^2 + 15915^2 .

It is a cyclic number.

It is not a de Polignac number, because 683351869 - 2⁷ = 683351741 is a prime.

It is a super-2 number, since 2×683351869² = 933939553731586322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683351863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341675934 + 341675935.

It is an arithmetic number, because the mean of its divisors is an integer number (341675935).

Almost surely, 2^683351869 is an apocalyptic number.

It is an amenable number.

683351869 is a deficient number, since it is larger than the sum of its proper divisors (1).

683351869 is an equidigital number, since it uses as much as digits as its factorization.

683351869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 683351869 is about 26140.9997704755. Note that the first 3 decimals coincide. The cubic root of 683351869 is about 880.8084293554.

The spelling of 683351869 in words is "six hundred eighty-three million, three hundred fifty-one thousand, eight hundred sixty-nine".