17136397679197 has 2 divisors, whose sum is σ = 17136397679198. Its totient is φ = 17136397679196.

The previous prime is 17136397679173. The next prime is 17136397679267. The reversal of 17136397679197 is 79197679363171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9584157197241 + 7552240481956 = 3095829^2 + 2748134^2 .

It is a cyclic number.

It is not a de Polignac number, because 17136397679197 - 2²³ = 17136389290589 is a prime.

It is a super-2 number, since 2×17136397679197² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17136397619197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8568198839598 + 8568198839599.

It is an arithmetic number, because the mean of its divisors is an integer number (8568198839599).

Almost surely, 2^{17136397679197} is an apocalyptic number.

It is an amenable number.

17136397679197 is a deficient number, since it is larger than the sum of its proper divisors (1).

17136397679197 is an equidigital number, since it uses as much as digits as its factorization.

17136397679197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567106596, while the sum is 76.

The spelling of 17136397679197 in words is "seventeen trillion, one hundred thirty-six billion, three hundred ninety-seven million, six hundred seventy-nine thousand, one hundred ninety-seven".