19606330811 has 2 divisors, whose sum is σ = 19606330812. Its totient is φ = 19606330810.

The previous prime is 19606330781. The next prime is 19606330813. The reversal of 19606330811 is 11803360691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19606330811 - 2¹⁸ = 19606068667 is a prime.

Together with 19606330813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19606330813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9803165405 + 9803165406.

It is an arithmetic number, because the mean of its divisors is an integer number (9803165406).

Almost surely, 2^19606330811 is an apocalyptic number.

19606330811 is a deficient number, since it is larger than the sum of its proper divisors (1).

19606330811 is an equidigital number, since it uses as much as digits as its factorization.

19606330811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 19606330811 in words is "nineteen billion, six hundred six million, three hundred thirty thousand, eight hundred eleven".