27712686019 has 2 divisors, whose sum is σ = 27712686020. Its totient is φ = 27712686018.

The previous prime is 27712685971. The next prime is 27712686059. The reversal of 27712686019 is 91068621772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27712686019 - 2¹³ = 27712677827 is a prime.

It is a super-2 number, since 2×27712686019² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (27712686059) 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, 13856343009 + 13856343010.

It is an arithmetic number, because the mean of its divisors is an integer number (13856343010).

Almost surely, 2^27712686019 is an apocalyptic number.

27712686019 is a deficient number, since it is larger than the sum of its proper divisors (1).

27712686019 is an equidigital number, since it uses as much as digits as its factorization.

27712686019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 27712686019 in words is "twenty-seven billion, seven hundred twelve million, six hundred eighty-six thousand, nineteen".