109424813 has 2 divisors, whose sum is σ = 109424814. Its totient is φ = 109424812.

The previous prime is 109424797. The next prime is 109424837. The reversal of 109424813 is 318424901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 11276164 = 9907^2 + 3358^2 .

It is a cyclic number.

It is not a de Polignac number, because 109424813 - 2⁴ = 109424797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109424813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109424893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54712406 + 54712407.

It is an arithmetic number, because the mean of its divisors is an integer number (54712407).

Almost surely, 2^109424813 is an apocalyptic number.

It is an amenable number.

109424813 is a deficient number, since it is larger than the sum of its proper divisors (1).

109424813 is an equidigital number, since it uses as much as digits as its factorization.

109424813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 109424813 is about 10460.6315774909. The cubic root of 109424813 is about 478.3053856960.

The spelling of 109424813 in words is "one hundred nine million, four hundred twenty-four thousand, eight hundred thirteen".