680641129441 has 32 divisors (see below), whose sum is σ = 882123146240. Its totient is φ = 509999955264.

The previous prime is 680641129423. The next prime is 680641129453. The reversal of 680641129441 is 144921146086.

It is a cyclic number.

It is not a de Polignac number, because 680641129441 - 2¹⁷ = 680640998369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680641129391 and 680641129400.

It is not an unprimeable number, because it can be changed into a prime (680641129471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4776166 + ... + 4916608.

It is an arithmetic number, because the mean of its divisors is an integer number (27566348320).

Almost surely, 2^680641129441 is an apocalyptic number.

It is an amenable number.

680641129441 is a deficient number, since it is larger than the sum of its proper divisors (201482016799).

680641129441 is a wasteful number, since it uses less digits than its factorization.

680641129441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143285.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 680641129441 in words is "six hundred eighty billion, six hundred forty-one million, one hundred twenty-nine thousand, four hundred forty-one".