606931386917 has 4 divisors (see below), whose sum is σ = 607424427456. Its totient is φ = 606438346380.

The previous prime is 606931386907. The next prime is 606931386961. The reversal of 606931386917 is 719683139606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606931386917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606931386907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246518423 + ... + 246520884.

It is an arithmetic number, because the mean of its divisors is an integer number (151856106864).

Almost surely, 2^606931386917 is an apocalyptic number.

It is an amenable number.

606931386917 is a deficient number, since it is larger than the sum of its proper divisors (493040539).

606931386917 is a wasteful number, since it uses less digits than its factorization.

606931386917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493040538.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 606931386917 in words is "six hundred six billion, nine hundred thirty-one million, three hundred eighty-six thousand, nine hundred seventeen".