103973108399989 has 2 divisors, whose sum is σ = 103973108399990. Its totient is φ = 103973108399988.

The previous prime is 103973108399981. The next prime is 103973108400019. The reversal of 103973108399989 is 989993801379301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74804197719364 + 29168910680625 = 8648942^2 + 5400825^2 .

It is a cyclic number.

It is not a de Polignac number, because 103973108399989 - 2³ = 103973108399981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103973108399981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51986554199994 + 51986554199995.

It is an arithmetic number, because the mean of its divisors is an integer number (51986554199995).

Almost surely, 2^{103973108399989} is an apocalyptic number.

It is an amenable number.

103973108399989 is a deficient number, since it is larger than the sum of its proper divisors (1).

103973108399989 is an equidigital number, since it uses as much as digits as its factorization.

103973108399989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714256704, while the sum is 79.

The spelling of 103973108399989 in words is "one hundred three trillion, nine hundred seventy-three billion, one hundred eight million, three hundred ninety-nine thousand, nine hundred eighty-nine".