42565233763 has 4 divisors (see below), whose sum is σ = 45839482528. Its totient is φ = 39290985000.

The previous prime is 42565233731. The next prime is 42565233793. The reversal of 42565233763 is 36733256524.

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 42565233763 - 2⁵ = 42565233731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42565233793) by changing a digit.

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, 1637124363 + ... + 1637124388.

It is an arithmetic number, because the mean of its divisors is an integer number (11459870632).

Almost surely, 2^42565233763 is an apocalyptic number.

42565233763 is a deficient number, since it is larger than the sum of its proper divisors (3274248765).

42565233763 is a wasteful number, since it uses less digits than its factorization.

42565233763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274248764.

The product of its digits is 2721600, while the sum is 46.

The spelling of 42565233763 in words is "forty-two billion, five hundred sixty-five million, two hundred thirty-three thousand, seven hundred sixty-three".