42847210466717 has 4 divisors (see below), whose sum is σ = 45367634611836. Its totient is φ = 40326786321600.

The previous prime is 42847210466693. The next prime is 42847210466719. The reversal of 42847210466717 is 71766401274824.

42847210466717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20721532472281 + 22125677994436 = 4552091^2 + 4703794^2 .

It is a cyclic number.

It is not a de Polignac number, because 42847210466717 - 2⁶ = 42847210466653 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 (42847210466719) by changing a digit.

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, 1260212072534 + ... + 1260212072567.

It is an arithmetic number, because the mean of its divisors is an integer number (11341908652959).

Almost surely, 2^{42847210466717} is an apocalyptic number.

It is an amenable number.

42847210466717 is a deficient number, since it is larger than the sum of its proper divisors (2520424145119).

42847210466717 is a wasteful number, since it uses less digits than its factorization.

42847210466717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520424145118.

The product of its (nonzero) digits is 25288704, while the sum is 59.

The spelling of 42847210466717 in words is "forty-two trillion, eight hundred forty-seven billion, two hundred ten million, four hundred sixty-six thousand, seven hundred seventeen".