17018032642493 has 2 divisors, whose sum is σ = 17018032642494. Its totient is φ = 17018032642492.

The previous prime is 17018032642483. The next prime is 17018032642579. The reversal of 17018032642493 is 39424623081071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9662318414329 + 7355714228164 = 3108427^2 + 2712142^2 .

It is a cyclic number.

It is not a de Polignac number, because 17018032642493 - 2²⁶ = 17017965533629 is a prime.

It is a super-2 number, since 2×17018032642493² (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 (17018032642483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8509016321246 + 8509016321247.

It is an arithmetic number, because the mean of its divisors is an integer number (8509016321247).

Almost surely, 2^{17018032642493} is an apocalyptic number.

It is an amenable number.

17018032642493 is a deficient number, since it is larger than the sum of its proper divisors (1).

17018032642493 is an equidigital number, since it uses as much as digits as its factorization.

17018032642493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 17018032642493 in words is "seventeen trillion, eighteen billion, thirty-two million, six hundred forty-two thousand, four hundred ninety-three".