680817463 has 2 divisors, whose sum is σ = 680817464. Its totient is φ = 680817462.

The previous prime is 680817451. The next prime is 680817493. The reversal of 680817463 is 364718086.

680817463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680817463 - 2²⁵ = 647263031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680817433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340408731 + 340408732.

It is an arithmetic number, because the mean of its divisors is an integer number (340408732).

Almost surely, 2^680817463 is an apocalyptic number.

680817463 is a deficient number, since it is larger than the sum of its proper divisors (1).

680817463 is an equidigital number, since it uses as much as digits as its factorization.

680817463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 680817463 is about 26092.4790504850. The cubic root of 680817463 is about 879.7181703394.

The spelling of 680817463 in words is "six hundred eighty million, eight hundred seventeen thousand, four hundred sixty-three".