683942644967 has 2 divisors, whose sum is σ = 683942644968. Its totient is φ = 683942644966.

The previous prime is 683942644963. The next prime is 683942644999. The reversal of 683942644967 is 769446249386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 683942644967 - 2² = 683942644963 is a prime.

It is a super-3 number, since 3×683942644967³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 683942644897 and 683942644906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683942644963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341971322483 + 341971322484.

It is an arithmetic number, because the mean of its divisors is an integer number (341971322484).

Almost surely, 2^683942644967 is an apocalyptic number.

683942644967 is a deficient number, since it is larger than the sum of its proper divisors (1).

683942644967 is an equidigital number, since it uses as much as digits as its factorization.

683942644967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376233984, while the sum is 68.

The spelling of 683942644967 in words is "six hundred eighty-three billion, nine hundred forty-two million, six hundred forty-four thousand, nine hundred sixty-seven".