9818622464 has 160 divisors (see below), whose sum is σ = 23072856576. Its totient is φ = 4087480320.

The previous prime is 9818622461. The next prime is 9818622469. The reversal of 9818622464 is 4642268189.

It is not an unprimeable number, because it can be changed into a prime (9818622461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21206297 + ... + 21206759.

Almost surely, 2^9818622464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9818622464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11536428288).

9818622464 is an abundant number, since it is smaller than the sum of its proper divisors (13254234112).

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

9818622464 is an equidigital number, since it uses as much as digits as its factorization.

9818622464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 630 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 9818622464 is about 99088.9623722037. The cubic root of 9818622464 is about 2141.3296002662.

The spelling of 9818622464 in words is "nine billion, eight hundred eighteen million, six hundred twenty-two thousand, four hundred sixty-four".