42567989659 has 16 divisors (see below), whose sum is σ = 47538592192. Its totient is φ = 37860317568.

The previous prime is 42567989641. The next prime is 42567989663. The reversal of 42567989659 is 95698976524.

It is a cyclic number.

It is not a de Polignac number, because 42567989659 - 2¹¹ = 42567987611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42567989669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380064 + ... + 479149.

It is an arithmetic number, because the mean of its divisors is an integer number (2971162012).

Almost surely, 2^42567989659 is an apocalyptic number.

42567989659 is a deficient number, since it is larger than the sum of its proper divisors (4970602533).

42567989659 is a wasteful number, since it uses less digits than its factorization.

42567989659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859366.

The product of its digits is 293932800, while the sum is 70.

The spelling of 42567989659 in words is "forty-two billion, five hundred sixty-seven million, nine hundred eighty-nine thousand, six hundred fifty-nine".