109829849 has 2 divisors, whose sum is σ = 109829850. Its totient is φ = 109829848.

The previous prime is 109829813. The next prime is 109829893. The reversal of 109829849 is 948928901.

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., 76247824 + 33582025 = 8732^2 + 5795^2 .

It is a cyclic number.

It is not a de Polignac number, because 109829849 - 2¹⁶ = 109764313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109829797 and 109829806.

It is not a weakly prime, because it can be changed into another prime (109820849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54914924 + 54914925.

It is an arithmetic number, because the mean of its divisors is an integer number (54914925).

Almost surely, 2^109829849 is an apocalyptic number.

It is an amenable number.

109829849 is a deficient number, since it is larger than the sum of its proper divisors (1).

109829849 is an equidigital number, since it uses as much as digits as its factorization.

109829849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 109829849 is about 10479.9737117991. The cubic root of 109829849 is about 478.8948082518.

The spelling of 109829849 in words is "one hundred nine million, eight hundred twenty-nine thousand, eight hundred forty-nine".