109366429 has 2 divisors, whose sum is σ = 109366430. Its totient is φ = 109366428.

The previous prime is 109366427. The next prime is 109366441. The reversal of 109366429 is 924663901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91642329 + 17724100 = 9573^2 + 4210^2 .

It is a cyclic number.

It is not a de Polignac number, because 109366429 - 2¹ = 109366427 is a prime.

It is a super-2 number, since 2×109366429² = 23922031584424082, which contains 22 as substring.

Together with 109366427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 109366391 and 109366400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109366421) 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, 54683214 + 54683215.

It is an arithmetic number, because the mean of its divisors is an integer number (54683215).

Almost surely, 2^109366429 is an apocalyptic number.

It is an amenable number.

109366429 is a deficient number, since it is larger than the sum of its proper divisors (1).

109366429 is an equidigital number, since it uses as much as digits as its factorization.

109366429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 109366429 is about 10457.8405514714. The cubic root of 109366429 is about 478.2203033796.

The spelling of 109366429 in words is "one hundred nine million, three hundred sixty-six thousand, four hundred twenty-nine".