42442000020317 has 2 divisors, whose sum is σ = 42442000020318. Its totient is φ = 42442000020316.

The previous prime is 42442000020239. The next prime is 42442000020331. The reversal of 42442000020317 is 71302000024424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39282383564356 + 3159616455961 = 6267566^2 + 1777531^2 .

It is a cyclic number.

It is not a de Polignac number, because 42442000020317 - 2¹⁴ = 42442000003933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42442000020317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42442000070317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221000010158 + 21221000010159.

It is an arithmetic number, because the mean of its divisors is an integer number (21221000010159).

Almost surely, 2^{42442000020317} is an apocalyptic number.

It is an amenable number.

42442000020317 is a deficient number, since it is larger than the sum of its proper divisors (1).

42442000020317 is an equidigital number, since it uses as much as digits as its factorization.

42442000020317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The spelling of 42442000020317 in words is "forty-two trillion, four hundred forty-two billion, twenty thousand, three hundred seventeen".