680632463 has 4 divisors (see below), whose sum is σ = 777865680. Its totient is φ = 583399248.

The previous prime is 680632411. The next prime is 680632471. The reversal of 680632463 is 364236086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680632463 - 2¹⁶ = 680566927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680632963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48616598 + ... + 48616611.

It is an arithmetic number, because the mean of its divisors is an integer number (194466420).

Almost surely, 2^680632463 is an apocalyptic number.

680632463 is a deficient number, since it is larger than the sum of its proper divisors (97233217).

680632463 is an equidigital number, since it uses as much as digits as its factorization.

680632463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97233216.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 680632463 is about 26088.9337267739. The cubic root of 680632463 is about 879.6384805479.

The spelling of 680632463 in words is "six hundred eighty million, six hundred thirty-two thousand, four hundred sixty-three".