17419689139 has 2 divisors, whose sum is σ = 17419689140. Its totient is φ = 17419689138.

The previous prime is 17419689127. The next prime is 17419689169. The reversal of 17419689139 is 93198691471.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17419689139 - 2¹⁷ = 17419558067 is a prime.

It is a super-2 number, since 2×17419689139² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17419689169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8709844569 + 8709844570.

It is an arithmetic number, because the mean of its divisors is an integer number (8709844570).

Almost surely, 2^17419689139 is an apocalyptic number.

17419689139 is a deficient number, since it is larger than the sum of its proper divisors (1).

17419689139 is an equidigital number, since it uses as much as digits as its factorization.

17419689139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 58.

The spelling of 17419689139 in words is "seventeen billion, four hundred nineteen million, six hundred eighty-nine thousand, one hundred thirty-nine".