18382729093 has 8 divisors (see below), whose sum is σ = 19281371328. Its totient is φ = 17492369664.

The previous prime is 18382729073. The next prime is 18382729103. The reversal of 18382729093 is 39092728381.

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 18382729093 - 2¹³ = 18382720901 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 18382729093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382729063) 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, 2066155 + ... + 2075032.

It is an arithmetic number, because the mean of its divisors is an integer number (2410171416).

Almost surely, 2^18382729093 is an apocalyptic number.

It is an amenable number.

18382729093 is a deficient number, since it is larger than the sum of its proper divisors (898642235).

18382729093 is a wasteful number, since it uses less digits than its factorization.

18382729093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141403.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 18382729093 in words is "eighteen billion, three hundred eighty-two million, seven hundred twenty-nine thousand, ninety-three".