17719252119 has 12 divisors (see below), whose sum is σ = 26542419176. Its totient is φ = 11812834584.

The previous prime is 17719252081. The next prime is 17719252129. The reversal of 17719252119 is 91125291771.

It is not a de Polignac number, because 17719252119 - 2²¹ = 17717154967 is a prime.

It is a super-2 number, since 2×17719252119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17719252129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36459124 + ... + 36459609.

Almost surely, 2^17719252119 is an apocalyptic number.

17719252119 is a deficient number, since it is larger than the sum of its proper divisors (8823167057).

17719252119 is an frugal number, since it uses more digits than its factorization.

17719252119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72918748 (or 72918736 counting only the distinct ones).

The product of its digits is 79380, while the sum is 45.

The spelling of 17719252119 in words is "seventeen billion, seven hundred nineteen million, two hundred fifty-two thousand, one hundred nineteen".