19682343211 has 2 divisors, whose sum is σ = 19682343212. Its totient is φ = 19682343210.

The previous prime is 19682343209. The next prime is 19682343253. The reversal of 19682343211 is 11234328691.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11234328691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19682343211 - 2¹ = 19682343209 is a prime.

Together with 19682343209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (19682343271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9841171605 + 9841171606.

It is an arithmetic number, because the mean of its divisors is an integer number (9841171606).

Almost surely, 2^19682343211 is an apocalyptic number.

19682343211 is a deficient number, since it is larger than the sum of its proper divisors (1).

19682343211 is an equidigital number, since it uses as much as digits as its factorization.

19682343211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The spelling of 19682343211 in words is "nineteen billion, six hundred eighty-two million, three hundred forty-three thousand, two hundred eleven".