27344320543 has 2 divisors, whose sum is σ = 27344320544. Its totient is φ = 27344320542.

The previous prime is 27344320519. The next prime is 27344320559. The reversal of 27344320543 is 34502344372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27344320543 - 2⁵ = 27344320511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27344320513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13672160271 + 13672160272.

It is an arithmetic number, because the mean of its divisors is an integer number (13672160272).

Almost surely, 2^27344320543 is an apocalyptic number.

27344320543 is a deficient number, since it is larger than the sum of its proper divisors (1).

27344320543 is an equidigital number, since it uses as much as digits as its factorization.

27344320543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 37.

The spelling of 27344320543 in words is "twenty-seven billion, three hundred forty-four million, three hundred twenty thousand, five hundred forty-three".