103217247989 has 2 divisors, whose sum is σ = 103217247990. Its totient is φ = 103217247988.

The previous prime is 103217247977. The next prime is 103217248019. The reversal of 103217247989 is 989742712301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99193502500 + 4023745489 = 314950^2 + 63433^2 .

It is a cyclic number.

It is not a de Polignac number, because 103217247989 - 2²⁰ = 103216199413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103217247989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103217247589) 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, 51608623994 + 51608623995.

It is an arithmetic number, because the mean of its divisors is an integer number (51608623995).

Almost surely, 2^103217247989 is an apocalyptic number.

It is an amenable number.

103217247989 is a deficient number, since it is larger than the sum of its proper divisors (1).

103217247989 is an equidigital number, since it uses as much as digits as its factorization.

103217247989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 103217247989 in words is "one hundred three billion, two hundred seventeen million, two hundred forty-seven thousand, nine hundred eighty-nine".