42171473546 has 8 divisors (see below), whose sum is σ = 63871358304. Its totient is φ = 20881020780.

The previous prime is 42171473543. The next prime is 42171473557. The reversal of 42171473546 is 64537417124.

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

It is a junction number, because it is equal to n+sod(n) for n = 42171473497 and 42171473506.

It is not an unprimeable number, because it can be changed into a prime (42171473543) 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, 102357740 + ... + 102358151.

It is an arithmetic number, because the mean of its divisors is an integer number (7983919788).

Almost surely, 2^42171473546 is an apocalyptic number.

42171473546 is a deficient number, since it is larger than the sum of its proper divisors (21699884758).

42171473546 is a wasteful number, since it uses less digits than its factorization.

42171473546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204715996.

The product of its digits is 564480, while the sum is 44.

The spelling of 42171473546 in words is "forty-two billion, one hundred seventy-one million, four hundred seventy-three thousand, five hundred forty-six".