19066199027 has 2 divisors, whose sum is σ = 19066199028. Its totient is φ = 19066199026.

The previous prime is 19066198999. The next prime is 19066199051. The reversal of 19066199027 is 72099166091.

It is a strong prime.

It is an emirp because it is prime and its reverse (72099166091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19066199027 - 2⁸ = 19066198771 is a prime.

It is not a weakly prime, because it can be changed into another prime (19066199077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9533099513 + 9533099514.

It is an arithmetic number, because the mean of its divisors is an integer number (9533099514).

Almost surely, 2^19066199027 is an apocalyptic number.

19066199027 is a deficient number, since it is larger than the sum of its proper divisors (1).

19066199027 is an equidigital number, since it uses as much as digits as its factorization.

19066199027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 50.

The spelling of 19066199027 in words is "nineteen billion, sixty-six million, one hundred ninety-nine thousand, twenty-seven".