17300130821 has 2 divisors, whose sum is σ = 17300130822. Its totient is φ = 17300130820.

The previous prime is 17300130787. The next prime is 17300130833. The reversal of 17300130821 is 12803100371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11171433025 + 6128697796 = 105695^2 + 78286^2 .

It is an emirp because it is prime and its reverse (12803100371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17300130821 - 2²² = 17295936517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17300132821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8650065410 + 8650065411.

It is an arithmetic number, because the mean of its divisors is an integer number (8650065411).

Almost surely, 2^17300130821 is an apocalyptic number.

It is an amenable number.

17300130821 is a deficient number, since it is larger than the sum of its proper divisors (1).

17300130821 is an equidigital number, since it uses as much as digits as its factorization.

17300130821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 17300130821 in words is "seventeen billion, three hundred million, one hundred thirty thousand, eight hundred twenty-one".