680343377434 has 32 divisors (see below), whose sum is σ = 1171095682176. Its totient is φ = 290379997440.

The previous prime is 680343377393. The next prime is 680343377443. The reversal of 680343377434 is 434773343086.

It is a super-2 number, since 2×680343377434² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3244494 + ... + 3447814.

It is an arithmetic number, because the mean of its divisors is an integer number (36596740068).

Almost surely, 2^680343377434 is an apocalyptic number.

680343377434 is a deficient number, since it is larger than the sum of its proper divisors (490752304742).

680343377434 is a wasteful number, since it uses less digits than its factorization.

680343377434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204310.

The product of its (nonzero) digits is 12192768, while the sum is 52.

The spelling of 680343377434 in words is "six hundred eighty billion, three hundred forty-three million, three hundred seventy-seven thousand, four hundred thirty-four".