19503798299 has 2 divisors, whose sum is σ = 19503798300. Its totient is φ = 19503798298.

The previous prime is 19503798283. The next prime is 19503798383. The reversal of 19503798299 is 99289730591.

It is a weak prime.

It is an emirp because it is prime and its reverse (99289730591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19503798299 - 2⁴ = 19503798283 is a prime.

It is not a weakly prime, because it can be changed into another prime (19503798239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9751899149 + 9751899150.

It is an arithmetic number, because the mean of its divisors is an integer number (9751899150).

Almost surely, 2^19503798299 is an apocalyptic number.

19503798299 is a deficient number, since it is larger than the sum of its proper divisors (1).

19503798299 is an equidigital number, since it uses as much as digits as its factorization.

19503798299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 19503798299 in words is "nineteen billion, five hundred three million, seven hundred ninety-eight thousand, two hundred ninety-nine".