980109168889 has 8 divisors (see below), whose sum is σ = 1006859327040. Its totient is φ = 953372732976.

The previous prime is 980109168887. The next prime is 980109168901. The reversal of 980109168889 is 988861901089.

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 980109168889 - 2¹ = 980109168887 is a prime.

It is a super-2 number, since 2×980109168889² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980109168887) 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 7 ways as a sum of consecutive naturals, for example, 3285679 + ... + 3571540.

It is an arithmetic number, because the mean of its divisors is an integer number (125857415880).

Almost surely, 2^980109168889 is an apocalyptic number.

It is an amenable number.

980109168889 is a deficient number, since it is larger than the sum of its proper divisors (26750158151).

980109168889 is a wasteful number, since it uses less digits than its factorization.

980109168889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861119.

The product of its (nonzero) digits is 17915904, while the sum is 67.

The spelling of 980109168889 in words is "nine hundred eighty billion, one hundred nine million, one hundred sixty-eight thousand, eight hundred eighty-nine".