989494000994 has 8 divisors (see below), whose sum is σ = 1484313075408. Its totient is φ = 494722975860.

The previous prime is 989494000987. The next prime is 989494001011. The reversal of 989494000994 is 499000494989.

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

It is a super-2 number, since 2×989494000994² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 989494000994.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11960792 + ... + 12043235.

It is an arithmetic number, because the mean of its divisors is an integer number (185539134426).

Almost surely, 2^989494000994 is an apocalyptic number.

989494000994 is a deficient number, since it is larger than the sum of its proper divisors (494819074414).

989494000994 is a wasteful number, since it uses less digits than its factorization.

989494000994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24024640.

The product of its (nonzero) digits is 30233088, while the sum is 65.

The spelling of 989494000994 in words is "nine hundred eighty-nine billion, four hundred ninety-four million, nine hundred ninety-four", and thus it is an aban number.