327138219061 has 2 divisors, whose sum is σ = 327138219062. Its totient is φ = 327138219060.

The previous prime is 327138219053. The next prime is 327138219071. The reversal of 327138219061 is 160912831723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183607108036 + 143531111025 = 428494^2 + 378855^2 .

It is a cyclic number.

It is not a de Polignac number, because 327138219061 - 2³ = 327138219053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 327138218999 and 327138219017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327138219041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163569109530 + 163569109531.

It is an arithmetic number, because the mean of its divisors is an integer number (163569109531).

Almost surely, 2^327138219061 is an apocalyptic number.

It is an amenable number.

327138219061 is a deficient number, since it is larger than the sum of its proper divisors (1).

327138219061 is an equidigital number, since it uses as much as digits as its factorization.

327138219061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 327138219061 in words is "three hundred twenty-seven billion, one hundred thirty-eight million, two hundred nineteen thousand, sixty-one".