17742089653 has 2 divisors, whose sum is σ = 17742089654. Its totient is φ = 17742089652.

The previous prime is 17742089639. The next prime is 17742089683. The reversal of 17742089653 is 35698024771.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15620750289 + 2121339364 = 124983^2 + 46058^2 .

It is a cyclic number.

It is not a de Polignac number, because 17742089653 - 2¹⁷ = 17741958581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17742089653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17742089633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8871044826 + 8871044827.

It is an arithmetic number, because the mean of its divisors is an integer number (8871044827).

It is a 1-persistent number, because it is pandigital, but 2⋅17742089653 = 35484179306 is not.

Almost surely, 2^17742089653 is an apocalyptic number.

It is an amenable number.

17742089653 is a deficient number, since it is larger than the sum of its proper divisors (1).

17742089653 is an equidigital number, since it uses as much as digits as its factorization.

17742089653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 17742089653 in words is "seventeen billion, seven hundred forty-two million, eighty-nine thousand, six hundred fifty-three".