688274375339 has 2 divisors, whose sum is σ = 688274375340. Its totient is φ = 688274375338.

The previous prime is 688274375207. The next prime is 688274375359. The reversal of 688274375339 is 933573472886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 688274375339 - 2¹² = 688274371243 is a prime.

It is not a weakly prime, because it can be changed into another prime (688274375359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344137187669 + 344137187670.

It is an arithmetic number, because the mean of its divisors is an integer number (344137187670).

Almost surely, 2^688274375339 is an apocalyptic number.

688274375339 is a deficient number, since it is larger than the sum of its proper divisors (1).

688274375339 is an equidigital number, since it uses as much as digits as its factorization.

688274375339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 182891520, while the sum is 65.

The spelling of 688274375339 in words is "six hundred eighty-eight billion, two hundred seventy-four million, three hundred seventy-five thousand, three hundred thirty-nine".