17424278099 has 4 divisors (see below), whose sum is σ = 17471756064. Its totient is φ = 17376800136.

The previous prime is 17424278051. The next prime is 17424278161. The reversal of 17424278099 is 99087242471.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17424278099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17424278099.

It is not an unprimeable number, because it can be changed into a prime (17424278009) 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, 23738432 + ... + 23739165.

It is an arithmetic number, because the mean of its divisors is an integer number (4367939016).

Almost surely, 2^17424278099 is an apocalyptic number.

17424278099 is a deficient number, since it is larger than the sum of its proper divisors (47477965).

17424278099 is an equidigital number, since it uses as much as digits as its factorization.

17424278099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47477964.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 17424278099 in words is "seventeen billion, four hundred twenty-four million, two hundred seventy-eight thousand, ninety-nine".