606697825805 has 4 divisors (see below), whose sum is σ = 728037390972. Its totient is φ = 485358260640.

The previous prime is 606697825793. The next prime is 606697825829. The reversal of 606697825805 is 508528796606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 256525029289 + 350172796516 = 506483^2 + 591754^2 .

It is not a de Polignac number, because 606697825805 - 2²² = 606693631501 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60669782576 + ... + 60669782585.

It is an arithmetic number, because the mean of its divisors is an integer number (182009347743).

Almost surely, 2^606697825805 is an apocalyptic number.

It is an amenable number.

606697825805 is a deficient number, since it is larger than the sum of its proper divisors (121339565167).

606697825805 is a wasteful number, since it uses less digits than its factorization.

606697825805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121339565166.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 606697825805 in words is "six hundred six billion, six hundred ninety-seven million, eight hundred twenty-five thousand, eight hundred five".