19030439699 has 2 divisors, whose sum is σ = 19030439700. Its totient is φ = 19030439698.

The previous prime is 19030439689. The next prime is 19030439717. The reversal of 19030439699 is 99693403091.

It is a weak prime.

It is an emirp because it is prime and its reverse (99693403091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19030439699 - 2²⁰ = 19029391123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19030439699.

It is not a weakly prime, because it can be changed into another prime (19030439669) 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, 9515219849 + 9515219850.

It is an arithmetic number, because the mean of its divisors is an integer number (9515219850).

Almost surely, 2^19030439699 is an apocalyptic number.

19030439699 is a deficient number, since it is larger than the sum of its proper divisors (1).

19030439699 is an equidigital number, since it uses as much as digits as its factorization.

19030439699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The spelling of 19030439699 in words is "nineteen billion, thirty million, four hundred thirty-nine thousand, six hundred ninety-nine".