17520492089 has 2 divisors, whose sum is σ = 17520492090. Its totient is φ = 17520492088.

The previous prime is 17520492083. The next prime is 17520492103. The reversal of 17520492089 is 98029402571.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9012274489 + 8508217600 = 94933^2 + 92240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17520492089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (17520492083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8760246044 + 8760246045.

It is an arithmetic number, because the mean of its divisors is an integer number (8760246045).

Almost surely, 2^17520492089 is an apocalyptic number.

It is an amenable number.

17520492089 is a deficient number, since it is larger than the sum of its proper divisors (1).

17520492089 is an equidigital number, since it uses as much as digits as its factorization.

17520492089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 17520492089 in words is "seventeen billion, five hundred twenty million, four hundred ninety-two thousand, eighty-nine".