42817816541 has 8 divisors (see below), whose sum is σ = 43078029120. Its totient is φ = 42557837728.

The previous prime is 42817816519. The next prime is 42817816553. The reversal of 42817816541 is 14561871824.

42817816541 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 cyclic number.

It is not a de Polignac number, because 42817816541 - 2¹⁰ = 42817815517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42817816511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316265 + ... + 430881.

It is an arithmetic number, because the mean of its divisors is an integer number (5384753640).

Almost surely, 2^42817816541 is an apocalyptic number.

It is an amenable number.

42817816541 is a deficient number, since it is larger than the sum of its proper divisors (260212579).

42817816541 is a wasteful number, since it uses less digits than its factorization.

42817816541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116883.

The product of its digits is 430080, while the sum is 47.

The spelling of 42817816541 in words is "forty-two billion, eight hundred seventeen million, eight hundred sixteen thousand, five hundred forty-one".