19385292029 has 2 divisors, whose sum is σ = 19385292030. Its totient is φ = 19385292028.

The previous prime is 19385292023. The next prime is 19385292079. The reversal of 19385292029 is 92029258391.

It is an a-pointer prime, because the next prime (19385292079) can be obtained adding 19385292029 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16596395929 + 2788896100 = 128827^2 + 52810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19385292029 is a prime.

It is a super-3 number, since 3×19385292029³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19385292023) 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, 9692646014 + 9692646015.

It is an arithmetic number, because the mean of its divisors is an integer number (9692646015).

Almost surely, 2^19385292029 is an apocalyptic number.

It is an amenable number.

19385292029 is a deficient number, since it is larger than the sum of its proper divisors (1).

19385292029 is an equidigital number, since it uses as much as digits as its factorization.

19385292029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 19385292029 in words is "nineteen billion, three hundred eighty-five million, two hundred ninety-two thousand, twenty-nine".