42065550533 has 8 divisors (see below), whose sum is σ = 45976769280. Its totient is φ = 38313973440.

The previous prime is 42065550521. The next prime is 42065550539. The reversal of 42065550533 is 33505556024.

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 42065550533 - 2¹⁶ = 42065484997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42065550539) 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 7 ways as a sum of consecutive naturals, for example, 39909863 + ... + 39910916.

It is an arithmetic number, because the mean of its divisors is an integer number (5747096160).

Almost surely, 2^42065550533 is an apocalyptic number.

It is an amenable number.

42065550533 is a deficient number, since it is larger than the sum of its proper divisors (3911218747).

42065550533 is a wasteful number, since it uses less digits than its factorization.

42065550533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79820827.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 42065550533 in words is "forty-two billion, sixty-five million, five hundred fifty thousand, five hundred thirty-three".