27343197941 has 2 divisors, whose sum is σ = 27343197942. Its totient is φ = 27343197940.

The previous prime is 27343197911. The next prime is 27343197989. The reversal of 27343197941 is 14979134372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26861571025 + 481626916 = 163895^2 + 21946^2 .

It is a cyclic number.

It is not a de Polignac number, because 27343197941 - 2¹⁰ = 27343196917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27343197941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27343197911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13671598970 + 13671598971.

It is an arithmetic number, because the mean of its divisors is an integer number (13671598971).

Almost surely, 2^27343197941 is an apocalyptic number.

It is an amenable number.

27343197941 is a deficient number, since it is larger than the sum of its proper divisors (1).

27343197941 is an equidigital number, since it uses as much as digits as its factorization.

27343197941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The spelling of 27343197941 in words is "twenty-seven billion, three hundred forty-three million, one hundred ninety-seven thousand, nine hundred forty-one".