27018495319 has 2 divisors, whose sum is σ = 27018495320. Its totient is φ = 27018495318.

The previous prime is 27018495281. The next prime is 27018495359. The reversal of 27018495319 is 91359481072.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27018495319 - 2⁹ = 27018494807 is a prime.

It is a super-2 number, since 2×27018495319² (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 (27018495359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13509247659 + 13509247660.

It is an arithmetic number, because the mean of its divisors is an integer number (13509247660).

Almost surely, 2^27018495319 is an apocalyptic number.

27018495319 is a deficient number, since it is larger than the sum of its proper divisors (1).

27018495319 is an equidigital number, since it uses as much as digits as its factorization.

27018495319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 27018495319 in words is "twenty-seven billion, eighteen million, four hundred ninety-five thousand, three hundred nineteen".