27713231219 has 2 divisors, whose sum is σ = 27713231220. Its totient is φ = 27713231218.

The previous prime is 27713231201. The next prime is 27713231243. The reversal of 27713231219 is 91213231772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27713231219 - 2¹² = 27713227123 is a prime.

It is a super-2 number, since 2×27713231219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27713231519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856615609 + 13856615610.

It is an arithmetic number, because the mean of its divisors is an integer number (13856615610).

Almost surely, 2^27713231219 is an apocalyptic number.

27713231219 is a deficient number, since it is larger than the sum of its proper divisors (1).

27713231219 is an equidigital number, since it uses as much as digits as its factorization.

27713231219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The spelling of 27713231219 in words is "twenty-seven billion, seven hundred thirteen million, two hundred thirty-one thousand, two hundred nineteen".