680564060263 has 4 divisors (see below), whose sum is σ = 680788154200. Its totient is φ = 680339966328.

The previous prime is 680564060233. The next prime is 680564060279. The reversal of 680564060263 is 362060465086.

It is a happy number.

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 680564060263 - 2¹³ = 680564052071 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 (680564060233) 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, 112042413 + ... + 112048486.

It is an arithmetic number, because the mean of its divisors is an integer number (170197038550).

Almost surely, 2^680564060263 is an apocalyptic number.

680564060263 is a deficient number, since it is larger than the sum of its proper divisors (224093937).

680564060263 is a wasteful number, since it uses less digits than its factorization.

680564060263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224093936.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 680564060263 in words is "six hundred eighty billion, five hundred sixty-four million, sixty thousand, two hundred sixty-three".