42543355066 has 8 divisors (see below), whose sum is σ = 67568858100. Its totient is φ = 20020402368.

The previous prime is 42543355027. The next prime is 42543355067. The reversal of 42543355066 is 66055334524.

42543355066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39788679841 + 2754675225 = 199471^2 + 52485^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42543355067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625637541 + ... + 625637608.

Almost surely, 2^42543355066 is an apocalyptic number.

42543355066 is a deficient number, since it is larger than the sum of its proper divisors (25025503034).

42543355066 is a wasteful number, since it uses less digits than its factorization.

42543355066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251275168.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 42543355066 in words is "forty-two billion, five hundred forty-three million, three hundred fifty-five thousand, sixty-six".