109443696897 has 8 divisors (see below), whose sum is σ = 145926677344. Its totient is φ = 72961590528.

The previous prime is 109443696881. The next prime is 109443696931. The reversal of 109443696897 is 798696344901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109443696897 - 2⁴ = 109443696881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109443696847) 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 7 ways as a sum of consecutive naturals, for example, 174753 + ... + 499425.

It is an arithmetic number, because the mean of its divisors is an integer number (18240834668).

Almost surely, 2^109443696897 is an apocalyptic number.

It is an amenable number.

109443696897 is a deficient number, since it is larger than the sum of its proper divisors (36482980447).

109443696897 is a wasteful number, since it uses less digits than its factorization.

109443696897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437039.

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 109443696897 in words is "one hundred nine billion, four hundred forty-three million, six hundred ninety-six thousand, eight hundred ninety-seven".