605668699 has 4 divisors (see below), whose sum is σ = 606239536. Its totient is φ = 605097864.

The previous prime is 605668697. The next prime is 605668727. The reversal of 605668699 is 996866506.

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

It is a cyclic number.

It is not a de Polignac number, because 605668699 - 2¹ = 605668697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605668697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283824 + ... + 285949.

It is an arithmetic number, because the mean of its divisors is an integer number (151559884).

Almost surely, 2^605668699 is an apocalyptic number.

605668699 is a deficient number, since it is larger than the sum of its proper divisors (570837).

605668699 is a wasteful number, since it uses less digits than its factorization.

605668699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570836.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The square root of 605668699 is about 24610.3372386483. The cubic root of 605668699 is about 846.0805470947.

The spelling of 605668699 in words is "six hundred five million, six hundred sixty-eight thousand, six hundred ninety-nine".