109403731509 has 8 divisors (see below), whose sum is σ = 145890575520. Its totient is φ = 72926354256.

The previous prime is 109403731483. The next prime is 109403731511. The reversal of 109403731509 is 905137304901.

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

It is not a de Polignac number, because 109403731509 - 2²⁷ = 109269513781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109403731529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2339679 + ... + 2385980.

It is an arithmetic number, because the mean of its divisors is an integer number (18236321940).

Almost surely, 2^109403731509 is an apocalyptic number.

It is an amenable number.

109403731509 is a deficient number, since it is larger than the sum of its proper divisors (36486844011).

109403731509 is an equidigital number, since it uses as much as digits as its factorization.

109403731509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733379.

The product of its (nonzero) digits is 102060, while the sum is 42.

The spelling of 109403731509 in words is "one hundred nine billion, four hundred three million, seven hundred thirty-one thousand, five hundred nine".