989613068749 has 8 divisors (see below), whose sum is σ = 1032664632192. Its totient is φ = 946563581040.

The previous prime is 989613068737. The next prime is 989613068761. The reversal of 989613068749 is 947860316989.

It is an interprime number because it is at equal distance from previous prime (989613068737) and next prime (989613068761).

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 989613068749 - 2²⁷ = 989478851021 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 (989613068449) 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, 497712 + ... + 1492294.

It is an arithmetic number, because the mean of its divisors is an integer number (129083079024).

Almost surely, 2^989613068749 is an apocalyptic number.

It is an amenable number.

989613068749 is a deficient number, since it is larger than the sum of its proper divisors (43051563443).

989613068749 is a wasteful number, since it uses less digits than its factorization.

989613068749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037867.

The product of its (nonzero) digits is 141087744, while the sum is 70.

The spelling of 989613068749 in words is "nine hundred eighty-nine billion, six hundred thirteen million, sixty-eight thousand, seven hundred forty-nine".