6708355664405 has 8 divisors (see below), whose sum is σ = 8201914095672. Its totient is φ = 5265426332608.

The previous prime is 6708355664371. The next prime is 6708355664449. The reversal of 6708355664405 is 5044665538076.

It can be written as a sum of positive squares in 4 ways, for example, as 3083223439921 + 3625132224484 = 1755911^2 + 1903978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6708355664405 - 2³⁶ = 6639636187669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12657274574 + ... + 12657275103.

It is an arithmetic number, because the mean of its divisors is an integer number (1025239261959).

Almost surely, 2^{6708355664405} is an apocalyptic number.

It is an amenable number.

6708355664405 is a deficient number, since it is larger than the sum of its proper divisors (1493558431267).

6708355664405 is a wasteful number, since it uses less digits than its factorization.

6708355664405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25314549735.

The product of its (nonzero) digits is 72576000, while the sum is 59.

The spelling of 6708355664405 in words is "six trillion, seven hundred eight billion, three hundred fifty-five million, six hundred sixty-four thousand, four hundred five".