16425730205317 has 2 divisors, whose sum is σ = 16425730205318. Its totient is φ = 16425730205316.

The previous prime is 16425730205281. The next prime is 16425730205393. The reversal of 16425730205317 is 71350203752461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14358271571361 + 2067458633956 = 3789231^2 + 1437866^2 .

It is a cyclic number.

It is not a de Polignac number, because 16425730205317 - 2¹¹ = 16425730203269 is a prime.

It is a super-3 number, since 3×16425730205317³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16425730205117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212865102658 + 8212865102659.

It is an arithmetic number, because the mean of its divisors is an integer number (8212865102659).

Almost surely, 2^{16425730205317} is an apocalyptic number.

It is an amenable number.

16425730205317 is a deficient number, since it is larger than the sum of its proper divisors (1).

16425730205317 is an equidigital number, since it uses as much as digits as its factorization.

16425730205317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 46.

Adding to 16425730205317 its reverse (71350203752461), we get a palindrome (87775933957778).

The spelling of 16425730205317 in words is "sixteen trillion, four hundred twenty-five billion, seven hundred thirty million, two hundred five thousand, three hundred seventeen".