680500469 has 4 divisors (see below), whose sum is σ = 742364160. Its totient is φ = 618636780.

The previous prime is 680500459. The next prime is 680500487. The reversal of 680500469 is 964005086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680500469 - 2⁴ = 680500453 is a prime.

It is a super-2 number, since 2×680500469² = 926161776618439922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680500439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30931829 + ... + 30931850.

It is an arithmetic number, because the mean of its divisors is an integer number (185591040).

Almost surely, 2^680500469 is an apocalyptic number.

It is an amenable number.

680500469 is a deficient number, since it is larger than the sum of its proper divisors (61863691).

680500469 is a wasteful number, since it uses less digits than its factorization.

680500469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61863690.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 680500469 is about 26086.4039108498. The cubic root of 680500469 is about 879.5816145622.

The spelling of 680500469 in words is "six hundred eighty million, five hundred thousand, four hundred sixty-nine".