27013382321 has 2 divisors, whose sum is σ = 27013382322. Its totient is φ = 27013382320.

The previous prime is 27013382317. The next prime is 27013382329. The reversal of 27013382321 is 12328331072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18283096225 + 8730286096 = 135215^2 + 93436^2 .

It is a cyclic number.

It is not a de Polignac number, because 27013382321 - 2² = 27013382317 is a prime.

It is not a weakly prime, because it can be changed into another prime (27013382329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13506691160 + 13506691161.

It is an arithmetic number, because the mean of its divisors is an integer number (13506691161).

Almost surely, 2^27013382321 is an apocalyptic number.

It is an amenable number.

27013382321 is a deficient number, since it is larger than the sum of its proper divisors (1).

27013382321 is an equidigital number, since it uses as much as digits as its factorization.

27013382321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 27013382321 in words is "twenty-seven billion, thirteen million, three hundred eighty-two thousand, three hundred twenty-one".