27122842519 has 2 divisors, whose sum is σ = 27122842520. Its totient is φ = 27122842518.

The previous prime is 27122842507. The next prime is 27122842603. The reversal of 27122842519 is 91524822172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27122842519 - 2¹⁵ = 27122809751 is a prime.

It is a super-2 number, since 2×27122842519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27122846519) 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, 13561421259 + 13561421260.

It is an arithmetic number, because the mean of its divisors is an integer number (13561421260).

Almost surely, 2^27122842519 is an apocalyptic number.

27122842519 is a deficient number, since it is larger than the sum of its proper divisors (1).

27122842519 is an equidigital number, since it uses as much as digits as its factorization.

27122842519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The spelling of 27122842519 in words is "twenty-seven billion, one hundred twenty-two million, eight hundred forty-two thousand, five hundred nineteen".