103689863 has 2 divisors, whose sum is σ = 103689864. Its totient is φ = 103689862.

The previous prime is 103689853. The next prime is 103689881. The reversal of 103689863 is 368986301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103689863 - 2¹⁰ = 103688839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103689853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51844931 + 51844932.

It is an arithmetic number, because the mean of its divisors is an integer number (51844932).

Almost surely, 2^103689863 is an apocalyptic number.

103689863 is a deficient number, since it is larger than the sum of its proper divisors (1).

103689863 is an equidigital number, since it uses as much as digits as its factorization.

103689863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 103689863 is about 10182.8219566091. The cubic root of 103689863 is about 469.7990132039.

The spelling of 103689863 in words is "one hundred three million, six hundred eighty-nine thousand, eight hundred sixty-three".