605338789 has 4 divisors (see below), whose sum is σ = 660369600. Its totient is φ = 550307980.

The previous prime is 605338787. The next prime is 605338813. The reversal of 605338789 is 987833506.

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 not a de Polignac number, because 605338789 - 2¹ = 605338787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605338781) by changing a digit.

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, 27515389 + ... + 27515410.

It is an arithmetic number, because the mean of its divisors is an integer number (165092400).

Almost surely, 2^605338789 is an apocalyptic number.

It is an amenable number.

605338789 is a deficient number, since it is larger than the sum of its proper divisors (55030811).

605338789 is a wasteful number, since it uses less digits than its factorization.

605338789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55030810.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 605338789 is about 24603.6336544015. The cubic root of 605338789 is about 845.9268981168.

The spelling of 605338789 in words is "six hundred five million, three hundred thirty-eight thousand, seven hundred eighty-nine".