42847417651017 has 16 divisors (see below), whose sum is σ = 65292334315520. Its totient is φ = 24483851947152.

The previous prime is 42847417650971. The next prime is 42847417651033. The reversal of 42847417651017 is 71015671474824.

It is not a de Polignac number, because 42847417651017 - 2¹⁶ = 42847417585481 is a prime.

It is a super-2 number, since 2×42847417651017² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42847417651517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14749003 + ... + 17413440.

It is an arithmetic number, because the mean of its divisors is an integer number (4080770894720).

Almost surely, 2^{42847417651017} is an apocalyptic number.

It is an amenable number.

42847417651017 is a deficient number, since it is larger than the sum of its proper divisors (22444916664503).

42847417651017 is a wasteful number, since it uses less digits than its factorization.

42847417651017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32225892.

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 42847417651017 in words is "forty-two trillion, eight hundred forty-seven billion, four hundred seventeen million, six hundred fifty-one thousand, seventeen".