4021042250317 has 2 divisors, whose sum is σ = 4021042250318. Its totient is φ = 4021042250316.

The previous prime is 4021042250311. The next prime is 4021042250333. The reversal of 4021042250317 is 7130522401204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2681638780041 + 1339403470276 = 1637571^2 + 1157326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021042250317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021042250311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010521125158 + 2010521125159.

It is an arithmetic number, because the mean of its divisors is an integer number (2010521125159).

Almost surely, 2^{4021042250317} is an apocalyptic number.

It is an amenable number.

4021042250317 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021042250317 is an equidigital number, since it uses as much as digits as its factorization.

4021042250317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 4021042250317 in words is "four trillion, twenty-one billion, forty-two million, two hundred fifty thousand, three hundred seventeen".