42565331636 has 12 divisors (see below), whose sum is σ = 74496612960. Its totient is φ = 21280585080.

The previous prime is 42565331621. The next prime is 42565331651. The reversal of 42565331636 is 63613356524.

It is an interprime number because it is at equal distance from previous prime (42565331621) and next prime (42565331651).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473696 + ... + 556343.

It is an arithmetic number, because the mean of its divisors is an integer number (6208051080).

Almost surely, 2^42565331636 is an apocalyptic number.

It is an amenable number.

42565331636 is a deficient number, since it is larger than the sum of its proper divisors (31931281324).

42565331636 is a wasteful number, since it uses less digits than its factorization.

42565331636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040374 (or 1040372 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 44.

The spelling of 42565331636 in words is "forty-two billion, five hundred sixty-five million, three hundred thirty-one thousand, six hundred thirty-six".