19534559119 has 2 divisors, whose sum is σ = 19534559120. Its totient is φ = 19534559118.

The previous prime is 19534559089. The next prime is 19534559159. The reversal of 19534559119 is 91195543591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19534559119 - 2¹¹ = 19534557071 is a prime.

It is a super-2 number, since 2×19534559119² (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 (19534559159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9767279559 + 9767279560.

It is an arithmetic number, because the mean of its divisors is an integer number (9767279560).

Almost surely, 2^19534559119 is an apocalyptic number.

19534559119 is a deficient number, since it is larger than the sum of its proper divisors (1).

19534559119 is an equidigital number, since it uses as much as digits as its factorization.

19534559119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1093500, while the sum is 52.

The spelling of 19534559119 in words is "nineteen billion, five hundred thirty-four million, five hundred fifty-nine thousand, one hundred nineteen".