19342111 has 2 divisors, whose sum is σ = 19342112. Its totient is φ = 19342110.

The previous prime is 19342093. The next prime is 19342117. The reversal of 19342111 is 11124391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19342111 - 2¹⁹ = 18817823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19342117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9671055 + 9671056.

It is an arithmetic number, because the mean of its divisors is an integer number (9671056).

Almost surely, 2^19342111 is an apocalyptic number.

19342111 is a deficient number, since it is larger than the sum of its proper divisors (1).

19342111 is an equidigital number, since it uses as much as digits as its factorization.

19342111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

The square root of 19342111 is about 4397.9666892781. The cubic root of 19342111 is about 268.4322080318.

The spelling of 19342111 in words is "nineteen million, three hundred forty-two thousand, one hundred eleven".