989745460824 has 16 divisors (see below), whose sum is σ = 2474363652120. Its totient is φ = 329915153600.

The previous prime is 989745460819. The next prime is 989745460829. The reversal of 989745460824 is 428064547989.

It is an interprime number because it is at equal distance from previous prime (989745460819) and next prime (989745460829).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989745460829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20619697077 + ... + 20619697124.

Almost surely, 2^989745460824 is an apocalyptic number.

It is an amenable number.

989745460824 is an abundant number, since it is smaller than the sum of its proper divisors (1484618191296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989745460824 is a wasteful number, since it uses less digits than its factorization.

989745460824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41239394210 (or 41239394206 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 989745460824 in words is "nine hundred eighty-nine billion, seven hundred forty-five million, four hundred sixty thousand, eight hundred twenty-four".