42556364563 has 4 divisors (see below), whose sum is σ = 44023825440. Its totient is φ = 41088903688.

The previous prime is 42556364549. The next prime is 42556364569. The reversal of 42556364563 is 36546365524.

42556364563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42556364563 - 2²⁵ = 42522810131 is a prime.

It is a super-2 number, since 2×42556364563² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42556364569) 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, 733730395 + ... + 733730452.

It is an arithmetic number, because the mean of its divisors is an integer number (11005956360).

Almost surely, 2^42556364563 is an apocalyptic number.

42556364563 is a deficient number, since it is larger than the sum of its proper divisors (1467460877).

42556364563 is a wasteful number, since it uses less digits than its factorization.

42556364563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467460876.

The product of its digits is 7776000, while the sum is 49.

The spelling of 42556364563 in words is "forty-two billion, five hundred fifty-six million, three hundred sixty-four thousand, five hundred sixty-three".