19018211027 has 2 divisors, whose sum is σ = 19018211028. Its totient is φ = 19018211026.

The previous prime is 19018210993. The next prime is 19018211029. The reversal of 19018211027 is 72011281091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19018211027 - 2⁶ = 19018210963 is a prime.

Together with 19018211029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 19018210984 and 19018211002.

It is not a weakly prime, because it can be changed into another prime (19018211029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9509105513 + 9509105514.

It is an arithmetic number, because the mean of its divisors is an integer number (9509105514).

Almost surely, 2^19018211027 is an apocalyptic number.

19018211027 is a deficient number, since it is larger than the sum of its proper divisors (1).

19018211027 is an equidigital number, since it uses as much as digits as its factorization.

19018211027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 19018211027 in words is "nineteen billion, eighteen million, two hundred eleven thousand, twenty-seven".