18688548383 has 8 divisors (see below), whose sum is σ = 19092994752. Its totient is φ = 18284386176.

The previous prime is 18688548353. The next prime is 18688548397. The reversal of 18688548383 is 38384588681.

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 18688548383 - 2³⁴ = 1508679199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18688548323) 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, 64691 + ... + 203867.

It is an arithmetic number, because the mean of its divisors is an integer number (2386624344).

Almost surely, 2^18688548383 is an apocalyptic number.

18688548383 is a deficient number, since it is larger than the sum of its proper divisors (404446369).

18688548383 is a wasteful number, since it uses less digits than its factorization.

18688548383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142081.

The product of its digits is 35389440, while the sum is 62.

The spelling of 18688548383 in words is "eighteen billion, six hundred eighty-eight million, five hundred forty-eight thousand, three hundred eighty-three".