17104420447 has 2 divisors, whose sum is σ = 17104420448. Its totient is φ = 17104420446.

The previous prime is 17104420439. The next prime is 17104420453. The reversal of 17104420447 is 74402440171.

It is a strong prime.

It is an emirp because it is prime and its reverse (74402440171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17104420447 - 2³ = 17104420439 is a prime.

It is a super-2 number, since 2×17104420447² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17104420747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8552210223 + 8552210224.

It is an arithmetic number, because the mean of its divisors is an integer number (8552210224).

Almost surely, 2^17104420447 is an apocalyptic number.

17104420447 is a deficient number, since it is larger than the sum of its proper divisors (1).

17104420447 is an equidigital number, since it uses as much as digits as its factorization.

17104420447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 17104420447 in words is "seventeen billion, one hundred four million, four hundred twenty thousand, four hundred forty-seven".