42217747153838 has 8 divisors (see below), whose sum is σ = 63327107459880. Its totient is φ = 21108711333880.

The previous prime is 42217747153811. The next prime is 42217747153969. The reversal of 42217747153838 is 83835174771224.

42217747153838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×42217747153838³ (a number of 42 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80795993 + ... + 81316836.

It is an arithmetic number, because the mean of its divisors is an integer number (7915888432485).

Almost surely, 2^{42217747153838} is an apocalyptic number.

42217747153838 is a deficient number, since it is larger than the sum of its proper divisors (21109360306042).

42217747153838 is a wasteful number, since it uses less digits than its factorization.

42217747153838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162243042.

The product of its digits is 63221760, while the sum is 62.

The spelling of 42217747153838 in words is "forty-two trillion, two hundred seventeen billion, seven hundred forty-seven million, one hundred fifty-three thousand, eight hundred thirty-eight".