27063773939309 has 2 divisors, whose sum is σ = 27063773939310. Its totient is φ = 27063773939308.

The previous prime is 27063773939303. The next prime is 27063773939311. The reversal of 27063773939309 is 90393937736072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22504682088100 + 4559091851209 = 4743910^2 + 2135203^2 .

It is a cyclic number.

It is not a de Polignac number, because 27063773939309 - 2¹² = 27063773935213 is a prime.

Together with 27063773939311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27063773939303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13531886969654 + 13531886969655.

It is an arithmetic number, because the mean of its divisors is an integer number (13531886969655).

Almost surely, 2^{27063773939309} is an apocalyptic number.

It is an amenable number.

27063773939309 is a deficient number, since it is larger than the sum of its proper divisors (1).

27063773939309 is an equidigital number, since it uses as much as digits as its factorization.

27063773939309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243045684, while the sum is 68.

The spelling of 27063773939309 in words is "twenty-seven trillion, sixty-three billion, seven hundred seventy-three million, nine hundred thirty-nine thousand, three hundred nine".