19422383935321 has 2 divisors, whose sum is σ = 19422383935322. Its totient is φ = 19422383935320.

The previous prime is 19422383935307. The next prime is 19422383935393. The reversal of 19422383935321 is 12353938322491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18741323265625 + 681060669696 = 4329125^2 + 825264^2 .

It is an emirp because it is prime and its reverse (12353938322491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19422383935321 - 2⁵ = 19422383935289 is a prime.

It is a super-2 number, since 2×19422383935321² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19422383935121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9711191967660 + 9711191967661.

It is an arithmetic number, because the mean of its divisors is an integer number (9711191967661).

Almost surely, 2^{19422383935321} is an apocalyptic number.

It is an amenable number.

19422383935321 is a deficient number, since it is larger than the sum of its proper divisors (1).

19422383935321 is an equidigital number, since it uses as much as digits as its factorization.

19422383935321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 55.

The spelling of 19422383935321 in words is "nineteen trillion, four hundred twenty-two billion, three hundred eighty-three million, nine hundred thirty-five thousand, three hundred twenty-one".