19093840211 has 2 divisors, whose sum is σ = 19093840212. Its totient is φ = 19093840210.

The previous prime is 19093840151. The next prime is 19093840229. The reversal of 19093840211 is 11204839091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19093840211 - 2⁶ = 19093840147 is a prime.

It is a super-3 number, since 3×19093840211³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (19093840231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9546920105 + 9546920106.

It is an arithmetic number, because the mean of its divisors is an integer number (9546920106).

Almost surely, 2^19093840211 is an apocalyptic number.

19093840211 is a deficient number, since it is larger than the sum of its proper divisors (1).

19093840211 is an equidigital number, since it uses as much as digits as its factorization.

19093840211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 19093840211 in words is "nineteen billion, ninety-three million, eight hundred forty thousand, two hundred eleven".