19300080269 has 2 divisors, whose sum is σ = 19300080270. Its totient is φ = 19300080268.

The previous prime is 19300080259. The next prime is 19300080271. The reversal of 19300080269 is 96208000391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19047588169 + 252492100 = 138013^2 + 15890^2 .

It is an emirp because it is prime and its reverse (96208000391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19300080269 - 2³² = 15005112973 is a prime.

It is a super-2 number, since 2×19300080269² (a number of 21 digits) contains 22 as substring.

Together with 19300080271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19300080259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9650040134 + 9650040135.

It is an arithmetic number, because the mean of its divisors is an integer number (9650040135).

Almost surely, 2^19300080269 is an apocalyptic number.

It is an amenable number.

19300080269 is a deficient number, since it is larger than the sum of its proper divisors (1).

19300080269 is an equidigital number, since it uses as much as digits as its factorization.

19300080269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 19300080269 in words is "nineteen billion, three hundred million, eighty thousand, two hundred sixty-nine".