103439985597017 has 2 divisors, whose sum is σ = 103439985597018. Its totient is φ = 103439985597016.

The previous prime is 103439985596999. The next prime is 103439985597019. The reversal of 103439985597017 is 710795589934301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68601943151641 + 34838042445376 = 8282629^2 + 5902376^2 .

It is a cyclic number.

It is not a de Polignac number, because 103439985597017 - 2¹² = 103439985592921 is a prime.

It is a super-2 number, since 2×103439985597017² (a number of 29 digits) contains 22 as substring.

Together with 103439985597019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103439985597019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51719992798508 + 51719992798509.

It is an arithmetic number, because the mean of its divisors is an integer number (51719992798509).

Almost surely, 2^{103439985597017} is an apocalyptic number.

It is an amenable number.

103439985597017 is a deficient number, since it is larger than the sum of its proper divisors (1).

103439985597017 is an equidigital number, since it uses as much as digits as its factorization.

103439985597017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 257191200, while the sum is 71.

The spelling of 103439985597017 in words is "one hundred three trillion, four hundred thirty-nine billion, nine hundred eighty-five million, five hundred ninety-seven thousand, seventeen".