2193824908944 has 30 divisors (see below), whose sum is σ = 6139662766406. Its totient is φ = 731274969600.

The previous prime is 2193824908871. The next prime is 2193824908993. The reversal of 2193824908944 is 4498094283912.

2193824908944 is a `hidden beast` number, since 21 + 9 + 3 + 8 + 2 + 490 + 89 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1942511187600 + 251313721344 = 1393740^2 + 501312^2 .

It is a super-2 number, since 2×2193824908944² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7617447457 + ... + 7617447744.

Almost surely, 2^{2193824908944} is an apocalyptic number.

2193824908944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2193824908944 is an abundant number, since it is smaller than the sum of its proper divisors (3945837857462).

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

2193824908944 is a wasteful number, since it uses less digits than its factorization.

2193824908944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15234895215 (or 15234895206 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 2193824908944 in words is "two trillion, one hundred ninety-three billion, eight hundred twenty-four million, nine hundred eight thousand, nine hundred forty-four".