19422603017 has 2 divisors, whose sum is σ = 19422603018. Its totient is φ = 19422603016.

The previous prime is 19422603007. The next prime is 19422603041. The reversal of 19422603017 is 71030622491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15163213321 + 4259389696 = 123139^2 + 65264^2 .

It is an emirp because it is prime and its reverse (71030622491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19422603017 - 2²⁰ = 19421554441 is a prime.

It is not a weakly prime, because it can be changed into another prime (19422603007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9711301508 + 9711301509.

It is an arithmetic number, because the mean of its divisors is an integer number (9711301509).

Almost surely, 2^19422603017 is an apocalyptic number.

It is an amenable number.

19422603017 is a deficient number, since it is larger than the sum of its proper divisors (1).

19422603017 is an equidigital number, since it uses as much as digits as its factorization.

19422603017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 19422603017 in words is "nineteen billion, four hundred twenty-two million, six hundred three thousand, seventeen".