606422556643 has 4 divisors (see below), whose sum is σ = 617864491728. Its totient is φ = 594980621560.

The previous prime is 606422556617. The next prime is 606422556653. The reversal of 606422556643 is 346655224606.

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-606422556643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606422556653) 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, 5720967463 + ... + 5720967568.

It is an arithmetic number, because the mean of its divisors is an integer number (154466122932).

Almost surely, 2^606422556643 is an apocalyptic number.

606422556643 is a deficient number, since it is larger than the sum of its proper divisors (11441935085).

606422556643 is a wasteful number, since it uses less digits than its factorization.

606422556643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11441935084.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 606422556643 in words is "six hundred six billion, four hundred twenty-two million, five hundred fifty-six thousand, six hundred forty-three".