17398105129 has 2 divisors, whose sum is σ = 17398105130. Its totient is φ = 17398105128.

The previous prime is 17398105069. The next prime is 17398105139. The reversal of 17398105129 is 92150189371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17258865129 + 139240000 = 131373^2 + 11800^2 .

It is a cyclic number.

It is not a de Polignac number, because 17398105129 - 2⁷ = 17398105001 is a prime.

It is a super-2 number, since 2×17398105129² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17398105139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8699052564 + 8699052565.

It is an arithmetic number, because the mean of its divisors is an integer number (8699052565).

Almost surely, 2^17398105129 is an apocalyptic number.

It is an amenable number.

17398105129 is a deficient number, since it is larger than the sum of its proper divisors (1).

17398105129 is an equidigital number, since it uses as much as digits as its factorization.

17398105129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 17398105129 in words is "seventeen billion, three hundred ninety-eight million, one hundred five thousand, one hundred twenty-nine".