17104420427 has 4 divisors (see below), whose sum is σ = 17112048360. Its totient is φ = 17096792496.

The previous prime is 17104420391. The next prime is 17104420439. The reversal of 17104420427 is 72402440171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72402440171 = 5897 ⋅12277843.

It is a cyclic number.

It is not a de Polignac number, because 17104420427 - 2¹² = 17104416331 is a prime.

It is a super-2 number, since 2×17104420427² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17104420393 and 17104420402.

It is not an unprimeable number, because it can be changed into a prime (17104420447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810602 + ... + 3815087.

It is an arithmetic number, because the mean of its divisors is an integer number (4278012090).

Almost surely, 2^17104420427 is an apocalyptic number.

17104420427 is a deficient number, since it is larger than the sum of its proper divisors (7627933).

17104420427 is an equidigital number, since it uses as much as digits as its factorization.

17104420427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627932.

The product of its (nonzero) digits is 12544, while the sum is 32.

Adding to 17104420427 its reverse (72402440171), we get a palindrome (89506860598).

The spelling of 17104420427 in words is "seventeen billion, one hundred four million, four hundred twenty thousand, four hundred twenty-seven".