109828819 has 2 divisors, whose sum is σ = 109828820. Its totient is φ = 109828818.

The previous prime is 109828813. The next prime is 109828843. The reversal of 109828819 is 918828901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109828819 - 2³ = 109828811 is a prime.

It is a super-2 number, since 2×109828819² = 24124738965869522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109828811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54914409 + 54914410.

It is an arithmetic number, because the mean of its divisors is an integer number (54914410).

Almost surely, 2^109828819 is an apocalyptic number.

109828819 is a deficient number, since it is larger than the sum of its proper divisors (1).

109828819 is an equidigital number, since it uses as much as digits as its factorization.

109828819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 46.

The square root of 109828819 is about 10479.9245703392. The cubic root of 109828819 is about 478.8933111992.

The spelling of 109828819 in words is "one hundred nine million, eight hundred twenty-eight thousand, eight hundred nineteen".