536603565605 has 4 divisors (see below), whose sum is σ = 643924278732. Its totient is φ = 429282852480.

The previous prime is 536603565593. The next prime is 536603565649. The reversal of 536603565605 is 506565306635.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506565306635 = 5 ⋅101313061327.

It can be written as a sum of positive squares in 2 ways, for example, as 81979715041 + 454623850564 = 286321^2 + 674258^2 .

It is not a de Polignac number, because 536603565605 - 2³² = 532308598309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53660356556 + ... + 53660356565.

It is an arithmetic number, because the mean of its divisors is an integer number (160981069683).

Almost surely, 2^536603565605 is an apocalyptic number.

It is an amenable number.

536603565605 is a deficient number, since it is larger than the sum of its proper divisors (107320713127).

536603565605 is a wasteful number, since it uses less digits than its factorization.

536603565605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107320713126.

The product of its (nonzero) digits is 7290000, while the sum is 50.

The spelling of 536603565605 in words is "five hundred thirty-six billion, six hundred three million, five hundred sixty-five thousand, six hundred five".