1839366143989 has 32 divisors (see below), whose sum is σ = 2123818205184. Its totient is φ = 1576563626880.

The previous prime is 1839366143981. The next prime is 1839366144001. The reversal of 1839366143989 is 9893416639381.

It is not a de Polignac number, because 1839366143989 - 2³ = 1839366143981 is a prime.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839366143981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30684004 + ... + 30743890.

It is an arithmetic number, because the mean of its divisors is an integer number (66369318912).

Almost surely, 2^{1839366143989} is an apocalyptic number.

It is an amenable number.

1839366143989 is a deficient number, since it is larger than the sum of its proper divisors (284452061195).

1839366143989 is a wasteful number, since it uses less digits than its factorization.

1839366143989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61657.

The product of its digits is 181398528, while the sum is 70.

The spelling of 1839366143989 in words is "one trillion, eight hundred thirty-nine billion, three hundred sixty-six million, one hundred forty-three thousand, nine hundred eighty-nine".