18619196327 has 2 divisors, whose sum is σ = 18619196328. Its totient is φ = 18619196326.

The previous prime is 18619196251. The next prime is 18619196329. The reversal of 18619196327 is 72369191681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18619196327 - 2¹⁰ = 18619195303 is a prime.

Together with 18619196329, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18619196329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9309598163 + 9309598164.

It is an arithmetic number, because the mean of its divisors is an integer number (9309598164).

Almost surely, 2^18619196327 is an apocalyptic number.

18619196327 is a deficient number, since it is larger than the sum of its proper divisors (1).

18619196327 is an equidigital number, since it uses as much as digits as its factorization.

18619196327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 53.

The spelling of 18619196327 in words is "eighteen billion, six hundred nineteen million, one hundred ninety-six thousand, three hundred twenty-seven".