680004443 has 2 divisors, whose sum is σ = 680004444. Its totient is φ = 680004442.

The previous prime is 680004419. The next prime is 680004467. The reversal of 680004443 is 344400086.

It is a balanced prime because it is at equal distance from previous prime (680004419) and next prime (680004467).

It is a cyclic number.

It is not a de Polignac number, because 680004443 - 2⁶ = 680004379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680004343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340002221 + 340002222.

It is an arithmetic number, because the mean of its divisors is an integer number (340002222).

Almost surely, 2^680004443 is an apocalyptic number.

680004443 is a deficient number, since it is larger than the sum of its proper divisors (1).

680004443 is an equidigital number, since it uses as much as digits as its factorization.

680004443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 680004443 is about 26076.8948113076. The cubic root of 680004443 is about 879.3678496347.

The spelling of 680004443 in words is "six hundred eighty million, four thousand, four hundred forty-three".