17020534516477 has 2 divisors, whose sum is σ = 17020534516478. Its totient is φ = 17020534516476.

The previous prime is 17020534516471. The next prime is 17020534516499. The reversal of 17020534516477 is 77461543502071.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15717149244196 + 1303385272281 = 3964486^2 + 1141659^2 .

It is an emirp because it is prime and its reverse (77461543502071) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17020534516477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17020534516471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8510267258238 + 8510267258239.

It is an arithmetic number, because the mean of its divisors is an integer number (8510267258239).

Almost surely, 2^{17020534516477} is an apocalyptic number.

It is an amenable number.

17020534516477 is a deficient number, since it is larger than the sum of its proper divisors (1).

17020534516477 is an equidigital number, since it uses as much as digits as its factorization.

17020534516477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 17020534516477 in words is "seventeen trillion, twenty billion, five hundred thirty-four million, five hundred sixteen thousand, four hundred seventy-seven".