17488834874321 has 2 divisors, whose sum is σ = 17488834874322. Its totient is φ = 17488834874320.

The previous prime is 17488834874293. The next prime is 17488834874363. The reversal of 17488834874321 is 12347843888471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14490881142721 + 2997953731600 = 3806689^2 + 1731460^2 .

It is a cyclic number.

It is not a de Polignac number, because 17488834874321 - 2²⁶ = 17488767765457 is a prime.

It is a super-2 number, since 2×17488834874321² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17488824874321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8744417437160 + 8744417437161.

It is an arithmetic number, because the mean of its divisors is an integer number (8744417437161).

Almost surely, 2^{17488834874321} is an apocalyptic number.

It is an amenable number.

17488834874321 is a deficient number, since it is larger than the sum of its proper divisors (1).

17488834874321 is an equidigital number, since it uses as much as digits as its factorization.

17488834874321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 231211008, while the sum is 68.

The spelling of 17488834874321 in words is "seventeen trillion, four hundred eighty-eight billion, eight hundred thirty-four million, eight hundred seventy-four thousand, three hundred twenty-one".