17142445807 has 4 divisors (see below), whose sum is σ = 17175349296. Its totient is φ = 17109542320.

The previous prime is 17142445787. The next prime is 17142445841. The reversal of 17142445807 is 70854424171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70854424171 = 17659 ⋅4012369.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17142445807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17142445897) 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, 16450963 + ... + 16452004.

It is an arithmetic number, because the mean of its divisors is an integer number (4293837324).

Almost surely, 2^17142445807 is an apocalyptic number.

17142445807 is a deficient number, since it is larger than the sum of its proper divisors (32903489).

17142445807 is an equidigital number, since it uses as much as digits as its factorization.

17142445807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32903488.

The product of its (nonzero) digits is 250880, while the sum is 43.

Adding to 17142445807 its reverse (70854424171), we get a palindrome (87996869978).

The spelling of 17142445807 in words is "seventeen billion, one hundred forty-two million, four hundred forty-five thousand, eight hundred seven".