27430664941 has 2 divisors, whose sum is σ = 27430664942. Its totient is φ = 27430664940.

The previous prime is 27430664923. The next prime is 27430664957. The reversal of 27430664941 is 14946603472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25075989316 + 2354675625 = 158354^2 + 48525^2 .

It is a cyclic number.

It is not a de Polignac number, because 27430664941 - 2¹³ = 27430656749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27430664891 and 27430664900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27430664141) 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, 13715332470 + 13715332471.

It is an arithmetic number, because the mean of its divisors is an integer number (13715332471).

Almost surely, 2^27430664941 is an apocalyptic number.

It is an amenable number.

27430664941 is a deficient number, since it is larger than the sum of its proper divisors (1).

27430664941 is an equidigital number, since it uses as much as digits as its factorization.

27430664941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 27430664941 in words is "twenty-seven billion, four hundred thirty million, six hundred sixty-four thousand, nine hundred forty-one".