109040831749 has 16 divisors (see below), whose sum is σ = 113730376320. Its totient is φ = 104416809280.

The previous prime is 109040831743. The next prime is 109040831789. The reversal of 109040831749 is 947138040901.

It is a cyclic number.

It is not a de Polignac number, because 109040831749 - 2⁷ = 109040831621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109040831699 and 109040831708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109040831743) 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 in 15 ways as a sum of consecutive naturals, for example, 1699839 + ... + 1762819.

It is an arithmetic number, because the mean of its divisors is an integer number (7108148520).

Almost surely, 2^109040831749 is an apocalyptic number.

It is an amenable number.

109040831749 is a deficient number, since it is larger than the sum of its proper divisors (4689544571).

109040831749 is a wasteful number, since it uses less digits than its factorization.

109040831749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63500.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 109040831749 in words is "one hundred nine billion, forty million, eight hundred thirty-one thousand, seven hundred forty-nine".