327509811949 has 2 divisors, whose sum is σ = 327509811950. Its totient is φ = 327509811948.

The previous prime is 327509811919. The next prime is 327509811991. The reversal of 327509811949 is 949118905723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266919989449 + 60589822500 = 516643^2 + 246150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327509811949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 327509811893 and 327509811902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327509811919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163754905974 + 163754905975.

It is an arithmetic number, because the mean of its divisors is an integer number (163754905975).

Almost surely, 2^327509811949 is an apocalyptic number.

It is an amenable number.

327509811949 is a deficient number, since it is larger than the sum of its proper divisors (1).

327509811949 is an equidigital number, since it uses as much as digits as its factorization.

327509811949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 327509811949 in words is "three hundred twenty-seven billion, five hundred nine million, eight hundred eleven thousand, nine hundred forty-nine".