683345629 has 2 divisors, whose sum is σ = 683345630. Its totient is φ = 683345628.

The previous prime is 683345623. The next prime is 683345633. The reversal of 683345629 is 926543386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594043129 + 89302500 = 24373^2 + 9450^2 .

It is a cyclic number.

It is not a de Polignac number, because 683345629 - 2⁷ = 683345501 is a prime.

It is a super-2 number, since 2×683345629² = 933922497346811282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683345623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341672814 + 341672815.

It is an arithmetic number, because the mean of its divisors is an integer number (341672815).

Almost surely, 2^683345629 is an apocalyptic number.

It is an amenable number.

683345629 is a deficient number, since it is larger than the sum of its proper divisors (1).

683345629 is an equidigital number, since it uses as much as digits as its factorization.

683345629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 46.

The square root of 683345629 is about 26140.8804174611. The cubic root of 683345629 is about 880.8057483250.

The spelling of 683345629 in words is "six hundred eighty-three million, three hundred forty-five thousand, six hundred twenty-nine".