680567963 has 2 divisors, whose sum is σ = 680567964. Its totient is φ = 680567962.

The previous prime is 680567957. The next prime is 680568001. The reversal of 680567963 is 369765086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680567963 - 2⁴ = 680567947 is a prime.

It is not a weakly prime, because it can be changed into another prime (680567903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340283981 + 340283982.

It is an arithmetic number, because the mean of its divisors is an integer number (340283982).

Almost surely, 2^680567963 is an apocalyptic number.

680567963 is a deficient number, since it is larger than the sum of its proper divisors (1).

680567963 is an equidigital number, since it uses as much as digits as its factorization.

680567963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 680567963 is about 26087.6975411783. The cubic root of 680567963 is about 879.6106934150.

The spelling of 680567963 in words is "six hundred eighty million, five hundred sixty-seven thousand, nine hundred sixty-three".