18409336930 has 16 divisors (see below), whose sum is σ = 34880849280. Its totient is φ = 6976169712.

The previous prime is 18409336921. The next prime is 18409336951. The reversal of 18409336930 is 3963390481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48445434 + ... + 48445813.

It is an arithmetic number, because the mean of its divisors is an integer number (2180053080).

Almost surely, 2^18409336930 is an apocalyptic number.

18409336930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18409336930 is a deficient number, since it is larger than the sum of its proper divisors (16471512350).

18409336930 is a wasteful number, since it uses less digits than its factorization.

18409336930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96891273.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 18409336930 in words is "eighteen billion, four hundred nine million, three hundred thirty-six thousand, nine hundred thirty".