327237973949 has 2 divisors, whose sum is σ = 327237973950. Its totient is φ = 327237973948.

The previous prime is 327237973903. The next prime is 327237973961. The reversal of 327237973949 is 949379732723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181065568324 + 146172405625 = 425518^2 + 382325^2 .

It is a cyclic number.

It is not a de Polignac number, because 327237973949 - 2¹² = 327237969853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327237913949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163618986974 + 163618986975.

It is an arithmetic number, because the mean of its divisors is an integer number (163618986975).

Almost surely, 2^327237973949 is an apocalyptic number.

It is an amenable number.

327237973949 is a deficient number, since it is larger than the sum of its proper divisors (1).

327237973949 is an equidigital number, since it uses as much as digits as its factorization.

327237973949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108020304, while the sum is 65.

The spelling of 327237973949 in words is "three hundred twenty-seven billion, two hundred thirty-seven million, nine hundred seventy-three thousand, nine hundred forty-nine".