683674819 has 2 divisors, whose sum is σ = 683674820. Its totient is φ = 683674818.

The previous prime is 683674813. The next prime is 683674843. The reversal of 683674819 is 918476386.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683674819 - 2⁹ = 683674307 is a prime.

It is a super-2 number, since 2×683674819² = 934822516269365522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (683674813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341837409 + 341837410.

It is an arithmetic number, because the mean of its divisors is an integer number (341837410).

Almost surely, 2^683674819 is an apocalyptic number.

683674819 is a deficient number, since it is larger than the sum of its proper divisors (1).

683674819 is an equidigital number, since it uses as much as digits as its factorization.

683674819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 683674819 is about 26147.1761190382. The cubic root of 683674819 is about 880.9471632911.

The spelling of 683674819 in words is "six hundred eighty-three million, six hundred seventy-four thousand, eight hundred nineteen".