680441448931 has 16 divisors (see below), whose sum is σ = 707383749600. Its totient is φ = 653734368000.

The previous prime is 680441448913. The next prime is 680441449007. The reversal of 680441448931 is 139844144086.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 680441448931 - 2⁵ = 680441448899 is a prime.

It is a super-2 number, since 2×680441448931² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680441448901) 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, 11931996 + ... + 11988886.

It is an arithmetic number, because the mean of its divisors is an integer number (44211484350).

Almost surely, 2^680441448931 is an apocalyptic number.

680441448931 is a deficient number, since it is larger than the sum of its proper divisors (26942300669).

680441448931 is a wasteful number, since it uses less digits than its factorization.

680441448931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58950.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 680441448931 in words is "six hundred eighty billion, four hundred forty-one million, four hundred forty-eight thousand, nine hundred thirty-one".