18683985741 has 8 divisors (see below), whose sum is σ = 24918146784. Its totient is φ = 12452907600.

The previous prime is 18683985737. The next prime is 18683985751. The reversal of 18683985741 is 14758938681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18683985741 - 2² = 18683985737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18683985751) 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, 756546 + ... + 780851.

It is an arithmetic number, because the mean of its divisors is an integer number (3114768348).

Almost surely, 2^18683985741 is an apocalyptic number.

It is an amenable number.

18683985741 is a deficient number, since it is larger than the sum of its proper divisors (6234161043).

18683985741 is a wasteful number, since it uses less digits than its factorization.

18683985741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541451.

The product of its digits is 11612160, while the sum is 60.

The spelling of 18683985741 in words is "eighteen billion, six hundred eighty-three million, nine hundred eighty-five thousand, seven hundred forty-one".