17000136409 has 2 divisors, whose sum is σ = 17000136410. Its totient is φ = 17000136408.

The previous prime is 17000136403. The next prime is 17000136427. The reversal of 17000136409 is 90463100071.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15718138384 + 1281998025 = 125372^2 + 35805^2 .

It is an emirp because it is prime and its reverse (90463100071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17000136409 - 2³ = 17000136401 is a prime.

It is not a weakly prime, because it can be changed into another prime (17000136401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8500068204 + 8500068205.

It is an arithmetic number, because the mean of its divisors is an integer number (8500068205).

Almost surely, 2^17000136409 is an apocalyptic number.

It is an amenable number.

17000136409 is a deficient number, since it is larger than the sum of its proper divisors (1).

17000136409 is an equidigital number, since it uses as much as digits as its factorization.

17000136409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 17000136409 in words is "seventeen billion, one hundred thirty-six thousand, four hundred nine".