19788093233 has 2 divisors, whose sum is σ = 19788093234. Its totient is φ = 19788093232.

The previous prime is 19788093203. The next prime is 19788093323. The reversal of 19788093233 is 33239088791.

Together with next prime (19788093323) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18705485824 + 1082607409 = 136768^2 + 32903^2 .

It is a cyclic number.

It is not a de Polignac number, because 19788093233 - 2¹² = 19788089137 is a prime.

It is not a weakly prime, because it can be changed into another prime (19788093203) 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, 9894046616 + 9894046617.

It is an arithmetic number, because the mean of its divisors is an integer number (9894046617).

Almost surely, 2^19788093233 is an apocalyptic number.

It is an amenable number.

19788093233 is a deficient number, since it is larger than the sum of its proper divisors (1).

19788093233 is an equidigital number, since it uses as much as digits as its factorization.

19788093233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 19788093233 in words is "nineteen billion, seven hundred eighty-eight million, ninety-three thousand, two hundred thirty-three".