103689169 has 2 divisors, whose sum is σ = 103689170. Its totient is φ = 103689168.

The previous prime is 103689163. The next prime is 103689227. The reversal of 103689169 is 961986301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96334225 + 7354944 = 9815^2 + 2712^2 .

It is an emirp because it is prime and its reverse (961986301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103689169 - 2⁹ = 103688657 is a prime.

It is a super-2 number, since 2×103689169² = 21502887535821122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103689163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51844584 + 51844585.

It is an arithmetic number, because the mean of its divisors is an integer number (51844585).

Almost surely, 2^103689169 is an apocalyptic number.

It is an amenable number.

103689169 is a deficient number, since it is larger than the sum of its proper divisors (1).

103689169 is an equidigital number, since it uses as much as digits as its factorization.

103689169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 103689169 is about 10182.7878795544. The cubic root of 103689169 is about 469.7979650743.

The spelling of 103689169 in words is "one hundred three million, six hundred eighty-nine thousand, one hundred sixty-nine".