327481391933 has 2 divisors, whose sum is σ = 327481391934. Its totient is φ = 327481391932.

The previous prime is 327481391917. The next prime is 327481391969. The reversal of 327481391933 is 339193184723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219373267129 + 108108124804 = 468373^2 + 328798^2 .

It is a cyclic number.

It is not a de Polignac number, because 327481391933 - 2⁴ = 327481391917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327481391983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163740695966 + 163740695967.

It is an arithmetic number, because the mean of its divisors is an integer number (163740695967).

Almost surely, 2^327481391933 is an apocalyptic number.

It is an amenable number.

327481391933 is a deficient number, since it is larger than the sum of its proper divisors (1).

327481391933 is an equidigital number, since it uses as much as digits as its factorization.

327481391933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The spelling of 327481391933 in words is "three hundred twenty-seven billion, four hundred eighty-one million, three hundred ninety-one thousand, nine hundred thirty-three".