321189640475933 has 2 divisors, whose sum is σ = 321189640475934. Its totient is φ = 321189640475932.

The previous prime is 321189640475927. The next prime is 321189640475939. The reversal of 321189640475933 is 339574046981123.

It is a balanced prime because it is at equal distance from previous prime (321189640475927) and next prime (321189640475939).

It can be written as a sum of positive squares in only one way, i.e., 283126996598884 + 38062643877049 = 16826378^2 + 6169493^2 .

It is a cyclic number.

It is not a de Polignac number, because 321189640475933 - 2³⁰ = 321188566734109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321189640475933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321189640475939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160594820237966 + 160594820237967.

It is an arithmetic number, because the mean of its divisors is an integer number (160594820237967).

It is a 2-persistent number, because it is pandigital, and so is 2⋅321189640475933 = 642379280951866, but 3⋅321189640475933 = 963568921427799 is not.

Almost surely, 2^{321189640475933} is an apocalyptic number.

It is an amenable number.

321189640475933 is a deficient number, since it is larger than the sum of its proper divisors (1).

321189640475933 is an equidigital number, since it uses as much as digits as its factorization.

321189640475933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 65.

The spelling of 321189640475933 in words is "three hundred twenty-one trillion, one hundred eighty-nine billion, six hundred forty million, four hundred seventy-five thousand, nine hundred thirty-three".