17645047699313 has 2 divisors, whose sum is σ = 17645047699314. Its totient is φ = 17645047699312.

The previous prime is 17645047699303. The next prime is 17645047699319. The reversal of 17645047699313 is 31399674054671.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9800606270464 + 7844441428849 = 3130592^2 + 2800793^2 .

It is a cyclic number.

It is not a de Polignac number, because 17645047699313 - 2¹⁶ = 17645047633777 is a prime.

It is a super-2 number, since 2×17645047699313² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17645047699313.

It is not a weakly prime, because it can be changed into another prime (17645047699319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8822523849656 + 8822523849657.

It is an arithmetic number, because the mean of its divisors is an integer number (8822523849657).

Almost surely, 2^{17645047699313} is an apocalyptic number.

It is an amenable number.

17645047699313 is a deficient number, since it is larger than the sum of its proper divisors (1).

17645047699313 is an equidigital number, since it uses as much as digits as its factorization.

17645047699313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102876480, while the sum is 65.

The spelling of 17645047699313 in words is "seventeen trillion, six hundred forty-five billion, forty-seven million, six hundred ninety-nine thousand, three hundred thirteen".