989022294016 has 117 divisors (see below), whose sum is σ = 2032581766953. Its totient is φ = 481176944640.

The previous prime is 989022293981. The next prime is 989022294023. The reversal of 989022294016 is 610492220989.

The square root of 989022294016 is 994496.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 47656636416 + 941365657600 = 218304^2 + 970240^2 .

It is a super-2 number, since 2×989022294016² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2609557315 + ... + 2609557693.

Almost surely, 2^989022294016 is an apocalyptic number.

989022294016 is the 994496-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989022294016

989022294016 is an abundant number, since it is smaller than the sum of its proper divisors (1043559472937).

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

989022294016 is an frugal number, since it uses more digits than its factorization.

989022294016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 989022294016 in words is "nine hundred eighty-nine billion, twenty-two million, two hundred ninety-four thousand, sixteen".