17519535139 has 2 divisors, whose sum is σ = 17519535140. Its totient is φ = 17519535138.

The previous prime is 17519535031. The next prime is 17519535161. The reversal of 17519535139 is 93153591571.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17519535139 is a prime.

It is a super-2 number, since 2×17519535139² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17519535092 and 17519535101.

It is not a weakly prime, because it can be changed into another prime (17519535179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8759767569 + 8759767570.

It is an arithmetic number, because the mean of its divisors is an integer number (8759767570).

Almost surely, 2^17519535139 is an apocalyptic number.

17519535139 is a deficient number, since it is larger than the sum of its proper divisors (1).

17519535139 is an equidigital number, since it uses as much as digits as its factorization.

17519535139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 637875, while the sum is 49.

The spelling of 17519535139 in words is "seventeen billion, five hundred nineteen million, five hundred thirty-five thousand, one hundred thirty-nine".