18109350743 has 8 divisors (see below), whose sum is σ = 19756641936. Its totient is φ = 16462224000.

The previous prime is 18109350709. The next prime is 18109350811. The reversal of 18109350743 is 34705390181.

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

It is a cyclic number.

It is not a de Polignac number, because 18109350743 - 2²⁰ = 18108302167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18109350743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18109350043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355793 + ... + 403493.

It is an arithmetic number, because the mean of its divisors is an integer number (2469580242).

Almost surely, 2^18109350743 is an apocalyptic number.

18109350743 is a deficient number, since it is larger than the sum of its proper divisors (1647291193).

18109350743 is a wasteful number, since it uses less digits than its factorization.

18109350743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82225.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 18109350743 in words is "eighteen billion, one hundred nine million, three hundred fifty thousand, seven hundred forty-three".