18683351683 has 8 divisors (see below), whose sum is σ = 18803190816. Its totient is φ = 18563750400.

The previous prime is 18683351639. The next prime is 18683351689. The reversal of 18683351683 is 38615338681.

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 18683351683 - 2²⁹ = 18146480771 is a prime.

It is a super-2 number, since 2×18683351683² (a number of 21 digits) contains 22 as substring.

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 18683351683.

It is not an unprimeable number, because it can be changed into a prime (18683351689) 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, 99498 + ... + 217408.

It is an arithmetic number, because the mean of its divisors is an integer number (2350398852).

Almost surely, 2^18683351683 is an apocalyptic number.

18683351683 is a deficient number, since it is larger than the sum of its proper divisors (119839133).

18683351683 is a wasteful number, since it uses less digits than its factorization.

18683351683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118925.

The product of its digits is 2488320, while the sum is 52.

The spelling of 18683351683 in words is "eighteen billion, six hundred eighty-three million, three hundred fifty-one thousand, six hundred eighty-three".