688274375359 has 2 divisors, whose sum is σ = 688274375360. Its totient is φ = 688274375358.

The previous prime is 688274375339. The next prime is 688274375381. The reversal of 688274375359 is 953573472886.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-688274375359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 688274375294 and 688274375303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (688274375339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344137187679 + 344137187680.

It is an arithmetic number, because the mean of its divisors is an integer number (344137187680).

Almost surely, 2^688274375359 is an apocalyptic number.

688274375359 is a deficient number, since it is larger than the sum of its proper divisors (1).

688274375359 is an equidigital number, since it uses as much as digits as its factorization.

688274375359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 304819200, while the sum is 67.

The spelling of 688274375359 in words is "six hundred eighty-eight billion, two hundred seventy-four million, three hundred seventy-five thousand, three hundred fifty-nine".