42273943286317 has 2 divisors, whose sum is σ = 42273943286318. Its totient is φ = 42273943286316.

The previous prime is 42273943286299. The next prime is 42273943286489. The reversal of 42273943286317 is 71368234937224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33233253399241 + 9040689887076 = 5764829^2 + 3006774^2 .

It is a cyclic number.

It is not a de Polignac number, because 42273943286317 - 2³¹ = 42271795802669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42273943206317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21136971643158 + 21136971643159.

It is an arithmetic number, because the mean of its divisors is an integer number (21136971643159).

Almost surely, 2^{42273943286317} is an apocalyptic number.

It is an amenable number.

42273943286317 is a deficient number, since it is larger than the sum of its proper divisors (1).

42273943286317 is an equidigital number, since it uses as much as digits as its factorization.

42273943286317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 61.

The spelling of 42273943286317 in words is "forty-two trillion, two hundred seventy-three billion, nine hundred forty-three million, two hundred eighty-six thousand, three hundred seventeen".