1826738118989 has 8 divisors (see below), whose sum is σ = 2094286516608. Its totient is φ = 1560836173680.

The previous prime is 1826738118901. The next prime is 1826738119043. The reversal of 1826738118989 is 9898118376281.

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

It is a de Polignac number, because none of the positive numbers 2^k-1826738118989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826738118589) 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, 411610697 + ... + 411615134.

It is an arithmetic number, because the mean of its divisors is an integer number (261785814576).

Almost surely, 2^{1826738118989} is an apocalyptic number.

It is an amenable number.

1826738118989 is a deficient number, since it is larger than the sum of its proper divisors (267548397619).

1826738118989 is an equidigital number, since it uses as much as digits as its factorization.

1826738118989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823226155.

The product of its digits is 83607552, while the sum is 71.

The spelling of 1826738118989 in words is "one trillion, eight hundred twenty-six billion, seven hundred thirty-eight million, one hundred eighteen thousand, nine hundred eighty-nine".