606971338639 has 4 divisors (see below), whose sum is σ = 606975198280. Its totient is φ = 606967479000.

The previous prime is 606971338573. The next prime is 606971338643. The reversal of 606971338639 is 936833179606.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606971338639 is a prime.

It is a super-3 number, since 3×606971338639³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606971338679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683444 + ... + 2011945.

It is an arithmetic number, because the mean of its divisors is an integer number (151743799570).

Almost surely, 2^606971338639 is an apocalyptic number.

606971338639 is a deficient number, since it is larger than the sum of its proper divisors (3859641).

606971338639 is a wasteful number, since it uses less digits than its factorization.

606971338639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859640.

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 606971338639 in words is "six hundred six billion, nine hundred seventy-one million, three hundred thirty-eight thousand, six hundred thirty-nine".