19380098239 has 2 divisors, whose sum is σ = 19380098240. Its totient is φ = 19380098238.

The previous prime is 19380098131. The next prime is 19380098251. The reversal of 19380098239 is 93289008391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19380098239 - 2⁹ = 19380097727 is a prime.

It is a super-2 number, since 2×19380098239² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19380092239) 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, 9690049119 + 9690049120.

It is an arithmetic number, because the mean of its divisors is an integer number (9690049120).

Almost surely, 2^19380098239 is an apocalyptic number.

19380098239 is a deficient number, since it is larger than the sum of its proper divisors (1).

19380098239 is an equidigital number, since it uses as much as digits as its factorization.

19380098239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 19380098239 in words is "nineteen billion, three hundred eighty million, ninety-eight thousand, two hundred thirty-nine".