18383340334 has 16 divisors (see below), whose sum is σ = 28156312800. Its totient is φ = 8998656160.

The previous prime is 18383340317. The next prime is 18383340361. The reversal of 18383340334 is 43304338381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139234 + ... + 236965.

It is an arithmetic number, because the mean of its divisors is an integer number (1759769550).

Almost surely, 2^18383340334 is an apocalyptic number.

18383340334 is a deficient number, since it is larger than the sum of its proper divisors (9772972466).

18383340334 is a wasteful number, since it uses less digits than its factorization.

18383340334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376715.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 18383340334 in words is "eighteen billion, three hundred eighty-three million, three hundred forty thousand, three hundred thirty-four".