536444135623 has 4 divisors (see below), whose sum is σ = 585211784328. Its totient is φ = 487676486920.

The previous prime is 536444135621. The next prime is 536444135629. The reversal of 536444135623 is 326531444635.

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 536444135623 - 2¹ = 536444135621 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 (536444135621) 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, 24383824336 + ... + 24383824357.

It is an arithmetic number, because the mean of its divisors is an integer number (146302946082).

Almost surely, 2^536444135623 is an apocalyptic number.

536444135623 is a deficient number, since it is larger than the sum of its proper divisors (48767648705).

536444135623 is a wasteful number, since it uses less digits than its factorization.

536444135623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48767648704.

The product of its digits is 3110400, while the sum is 46.

The spelling of 536444135623 in words is "five hundred thirty-six billion, four hundred forty-four million, one hundred thirty-five thousand, six hundred twenty-three".