42564553567 has 8 divisors (see below), whose sum is σ = 42892714656. Its totient is φ = 42237652992.

The previous prime is 42564553531. The next prime is 42564553613. The reversal of 42564553567 is 76535546524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42564553567 - 2⁷ = 42564553439 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 (42564353567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247278 + ... + 382459.

It is an arithmetic number, because the mean of its divisors is an integer number (5361589332).

Almost surely, 2^42564553567 is an apocalyptic number.

42564553567 is a deficient number, since it is larger than the sum of its proper divisors (328161089).

42564553567 is a wasteful number, since it uses less digits than its factorization.

42564553567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630257.

The product of its digits is 15120000, while the sum is 52.

The spelling of 42564553567 in words is "forty-two billion, five hundred sixty-four million, five hundred fifty-three thousand, five hundred sixty-seven".