17792449019 has 2 divisors, whose sum is σ = 17792449020. Its totient is φ = 17792449018.

The previous prime is 17792449007. The next prime is 17792449021. The reversal of 17792449019 is 91094429771.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91094429771) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17792449019 is a prime.

It is a super-2 number, since 2×17792449019² (a number of 21 digits) contains 22 as substring.

Together with 17792449021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17792449069) 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, 8896224509 + 8896224510.

It is an arithmetic number, because the mean of its divisors is an integer number (8896224510).

Almost surely, 2^17792449019 is an apocalyptic number.

17792449019 is a deficient number, since it is larger than the sum of its proper divisors (1).

17792449019 is an equidigital number, since it uses as much as digits as its factorization.

17792449019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 17792449019 in words is "seventeen billion, seven hundred ninety-two million, four hundred forty-nine thousand, nineteen".