680204613 has 16 divisors (see below), whose sum is σ = 990158400. Its totient is φ = 411924480.

The previous prime is 680204611. The next prime is 680204627. The reversal of 680204613 is 316402086.

It is not a de Polignac number, because 680204613 - 2¹ = 680204611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680204611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39183 + ... + 53811.

It is an arithmetic number, because the mean of its divisors is an integer number (61884900).

Almost surely, 2^680204613 is an apocalyptic number.

It is an amenable number.

680204613 is a deficient number, since it is larger than the sum of its proper divisors (309953787).

680204613 is a wasteful number, since it uses less digits than its factorization.

680204613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 680204613 is about 26080.7326009067. The cubic root of 680204613 is about 879.4541264208.

Adding to 680204613 its reverse (316402086), we get a palindrome (996606699).

The spelling of 680204613 in words is "six hundred eighty million, two hundred four thousand, six hundred thirteen".