103916819 has 2 divisors, whose sum is σ = 103916820. Its totient is φ = 103916818.

The previous prime is 103916809. The next prime is 103916843. The reversal of 103916819 is 918619301.

It is a weak prime.

It is an emirp because it is prime and its reverse (918619301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103916819 is a prime.

It is a super-2 number, since 2×103916819² = 21597410542157522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103916809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51958409 + 51958410.

It is an arithmetic number, because the mean of its divisors is an integer number (51958410).

Almost surely, 2^103916819 is an apocalyptic number.

103916819 is a deficient number, since it is larger than the sum of its proper divisors (1).

103916819 is an equidigital number, since it uses as much as digits as its factorization.

103916819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 103916819 is about 10193.9599273295. The cubic root of 103916819 is about 470.1415282247.

The spelling of 103916819 in words is "one hundred three million, nine hundred sixteen thousand, eight hundred nineteen".