688513782341 has 16 divisors (see below), whose sum is σ = 886097338368. Its totient is φ = 519197655600.

The previous prime is 688513782331. The next prime is 688513782349. The reversal of 688513782341 is 143287315886.

It is a cyclic number.

It is not a de Polignac number, because 688513782341 - 2⁶ = 688513782277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688513782349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144219185 + ... + 144223958.

It is an arithmetic number, because the mean of its divisors is an integer number (55381083648).

Almost surely, 2^688513782341 is an apocalyptic number.

It is an amenable number.

688513782341 is a deficient number, since it is larger than the sum of its proper divisors (197583556027).

688513782341 is a wasteful number, since it uses less digits than its factorization.

688513782341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288443192.

The product of its digits is 7741440, while the sum is 56.

The spelling of 688513782341 in words is "six hundred eighty-eight billion, five hundred thirteen million, seven hundred eighty-two thousand, three hundred forty-one".