1098395017 has 2 divisors, whose sum is σ = 1098395018. Its totient is φ = 1098395016.

The previous prime is 1098395003. The next prime is 1098395047. The reversal of 1098395017 is 7105938901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993762576 + 104632441 = 31524^2 + 10229^2 .

It is an emirp because it is prime and its reverse (7105938901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098395017 - 2¹¹ = 1098392969 is a prime.

It is a super-2 number, since 2×1098395017² = 2412943226740860578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1098395047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549197508 + 549197509.

It is an arithmetic number, because the mean of its divisors is an integer number (549197509).

Almost surely, 2^1098395017 is an apocalyptic number.

It is an amenable number.

1098395017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098395017 is an equidigital number, since it uses as much as digits as its factorization.

1098395017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1098395017 is about 33142.0430420335. The cubic root of 1098395017 is about 1031.7778128851. Note that the first 3 decimals are identical.

The spelling of 1098395017 in words is "one billion, ninety-eight million, three hundred ninety-five thousand, seventeen".