989830038989 has 8 divisors (see below), whose sum is σ = 1079849201760. Its totient is φ = 899816645200.

The previous prime is 989830038983. The next prime is 989830039013.

989830038989 is nontrivially palindromic in base 10.

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-989830038989 is a prime.

It is a super-3 number, since 3×989830038989³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989830038983) 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, 1079519 + ... + 1773420.

It is an arithmetic number, because the mean of its divisors is an integer number (134981150220).

Almost surely, 2^989830038989 is an apocalyptic number.

It is an amenable number.

989830038989 is a deficient number, since it is larger than the sum of its proper divisors (90019162771).

989830038989 is a wasteful number, since it uses less digits than its factorization.

989830038989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884491.

The product of its (nonzero) digits is 241864704, while the sum is 74.

The spelling of 989830038989 in words is "nine hundred eighty-nine billion, eight hundred thirty million, thirty-eight thousand, nine hundred eighty-nine".