19239768103 has 2 divisors, whose sum is σ = 19239768104. Its totient is φ = 19239768102.

The previous prime is 19239768077. The next prime is 19239768109. The reversal of 19239768103 is 30186793291.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19239768103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19239768109) 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, 9619884051 + 9619884052.

It is an arithmetic number, because the mean of its divisors is an integer number (9619884052).

Almost surely, 2^19239768103 is an apocalyptic number.

19239768103 is a deficient number, since it is larger than the sum of its proper divisors (1).

19239768103 is an equidigital number, since it uses as much as digits as its factorization.

19239768103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 19239768103 in words is "nineteen billion, two hundred thirty-nine million, seven hundred sixty-eight thousand, one hundred three".