42850471024717 has 2 divisors, whose sum is σ = 42850471024718. Its totient is φ = 42850471024716.

The previous prime is 42850471024709. The next prime is 42850471024729. The reversal of 42850471024717 is 71742017405824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26305215157321 + 16545255867396 = 5128861^2 + 4067586^2 .

It is a cyclic number.

It is not a de Polignac number, because 42850471024717 - 2³ = 42850471024709 is a prime.

It is a super-2 number, since 2×42850471024717² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42850471021717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425235512358 + 21425235512359.

It is an arithmetic number, because the mean of its divisors is an integer number (21425235512359).

Almost surely, 2^{42850471024717} is an apocalyptic number.

It is an amenable number.

42850471024717 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850471024717 is an equidigital number, since it uses as much as digits as its factorization.

42850471024717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3512320, while the sum is 52.

The spelling of 42850471024717 in words is "forty-two trillion, eight hundred fifty billion, four hundred seventy-one million, twenty-four thousand, seven hundred seventeen".