17048863021 has 2 divisors, whose sum is σ = 17048863022. Its totient is φ = 17048863020.

The previous prime is 17048863019. The next prime is 17048863057. The reversal of 17048863021 is 12036884071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9719790921 + 7329072100 = 98589^2 + 85610^2 .

It is an emirp because it is prime and its reverse (12036884071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17048863021 - 2¹ = 17048863019 is a prime.

Together with 17048863019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17048863061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8524431510 + 8524431511.

It is an arithmetic number, because the mean of its divisors is an integer number (8524431511).

Almost surely, 2^17048863021 is an apocalyptic number.

It is an amenable number.

17048863021 is a deficient number, since it is larger than the sum of its proper divisors (1).

17048863021 is an equidigital number, since it uses as much as digits as its factorization.

17048863021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 17048863021 in words is "seventeen billion, forty-eight million, eight hundred sixty-three thousand, twenty-one".