605506050605 has 4 divisors (see below), whose sum is σ = 726607260732. Its totient is φ = 484404840480.

The previous prime is 605506050563. The next prime is 605506050607. The reversal of 605506050605 is 506050605506.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77365197316 + 528140853289 = 278146^2 + 726733^2 .

It is a de Polignac number, because none of the positive numbers 2^k-605506050605 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 (605506050607) 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, 60550605056 + ... + 60550605065.

It is an arithmetic number, because the mean of its divisors is an integer number (181651815183).

Almost surely, 2^605506050605 is an apocalyptic number.

It is an amenable number.

605506050605 is a deficient number, since it is larger than the sum of its proper divisors (121101210127).

605506050605 is a wasteful number, since it uses less digits than its factorization.

605506050605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121101210126.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 605506050605 in words is "six hundred five billion, five hundred six million, fifty thousand, six hundred five".