27144300973 has 2 divisors, whose sum is σ = 27144300974. Its totient is φ = 27144300972.

The previous prime is 27144300971. The next prime is 27144301091. The reversal of 27144300973 is 37900344172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24794281444 + 2350019529 = 157462^2 + 48477^2 .

It is a cyclic number.

It is not a de Polignac number, because 27144300973 - 2¹ = 27144300971 is a prime.

Together with 27144300971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27144300971) 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, 13572150486 + 13572150487.

It is an arithmetic number, because the mean of its divisors is an integer number (13572150487).

Almost surely, 2^27144300973 is an apocalyptic number.

It is an amenable number.

27144300973 is a deficient number, since it is larger than the sum of its proper divisors (1).

27144300973 is an equidigital number, since it uses as much as digits as its factorization.

27144300973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 27144300973 in words is "twenty-seven billion, one hundred forty-four million, three hundred thousand, nine hundred seventy-three".