17271959379679 has 2 divisors, whose sum is σ = 17271959379680. Its totient is φ = 17271959379678.

The previous prime is 17271959379607. The next prime is 17271959379767. The reversal of 17271959379679 is 97697395917271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17271959379679 - 2¹⁵ = 17271959346911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17271959379379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8635979689839 + 8635979689840.

It is an arithmetic number, because the mean of its divisors is an integer number (8635979689840).

Almost surely, 2^{17271959379679} is an apocalyptic number.

17271959379679 is a deficient number, since it is larger than the sum of its proper divisors (1).

17271959379679 is an equidigital number, since it uses as much as digits as its factorization.

17271959379679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835532980, while the sum is 82.

The spelling of 17271959379679 in words is "seventeen trillion, two hundred seventy-one billion, nine hundred fifty-nine million, three hundred seventy-nine thousand, six hundred seventy-nine".