18982614789 has 20 divisors (see below), whose sum is σ = 28491163360. Its totient is φ = 12595088520.

The previous prime is 18982614731. The next prime is 18982614797. The reversal of 18982614789 is 98741628981.

18982614789 is a `hidden beast` number, since 1 + 8 + 9 + 8 + 2 + 614 + 7 + 8 + 9 = 666.

It is not a de Polignac number, because 18982614789 - 2²¹ = 18980517637 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 (18982610789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 538249 + ... + 572430.

It is an arithmetic number, because the mean of its divisors is an integer number (1424558168).

Almost surely, 2^18982614789 is an apocalyptic number.

It is an amenable number.

18982614789 is a deficient number, since it is larger than the sum of its proper divisors (9508548571).

18982614789 is a wasteful number, since it uses less digits than its factorization.

18982614789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110902 (or 1110893 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The spelling of 18982614789 in words is "eighteen billion, nine hundred eighty-two million, six hundred fourteen thousand, seven hundred eighty-nine".