536560433491 has 4 divisors (see below), whose sum is σ = 541769758192. Its totient is φ = 531351108792.

The previous prime is 536560433483. The next prime is 536560433509. The reversal of 536560433491 is 194334065635.

It is a happy number.

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 536560433491 - 2³ = 536560433483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536560433441) 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, 2604662196 + ... + 2604662401.

It is an arithmetic number, because the mean of its divisors is an integer number (135442439548).

Almost surely, 2^536560433491 is an apocalyptic number.

536560433491 is a deficient number, since it is larger than the sum of its proper divisors (5209324701).

536560433491 is a wasteful number, since it uses less digits than its factorization.

536560433491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209324700.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 536560433491 in words is "five hundred thirty-six billion, five hundred sixty million, four hundred thirty-three thousand, four hundred ninety-one".