9198421344 has 96 divisors (see below), whose sum is σ = 30661424640. Its totient is φ = 2628118656.

The previous prime is 9198421333. The next prime is 9198421363. The reversal of 9198421344 is 4431248919.

9198421344 is a `hidden beast` number, since 9 + 198 + 421 + 34 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×9198421344² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9198421344.

It is a congruent number.

It is an unprimeable number.

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, 754404 + ... + 766499.

It is an arithmetic number, because the mean of its divisors is an integer number (319389840).

Almost surely, 2^9198421344 is an apocalyptic number.

It is an amenable number.

9198421344 is an abundant number, since it is smaller than the sum of its proper divisors (21463003296).

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

9198421344 is a wasteful number, since it uses less digits than its factorization.

9198421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520929 (or 1520915 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 9198421344 is about 95908.4007999299. The cubic root of 9198421344 is about 2095.2592486614.

The spelling of 9198421344 in words is "nine billion, one hundred ninety-eight million, four hundred twenty-one thousand, three hundred forty-four".