19044103122 has 54 divisors (see below), whose sum is σ = 45369687909. Its totient is φ = 5768988720.

The previous prime is 19044103121. The next prime is 19044103139. The reversal of 19044103122 is 22130144091.

It is a happy number.

19044103122 is a `hidden beast` number, since 190 + 441 + 0 + 31 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16930954161 + 2113148961 = 130119^2 + 45969^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=97581.

It is not an unprimeable number, because it can be changed into a prime (19044103121) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6438868 + ... + 6441824.

Almost surely, 2^19044103122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19044103122

19044103122 is an abundant number, since it is smaller than the sum of its proper divisors (26325584787).

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

19044103122 is an equidigital number, since it uses as much as digits as its factorization.

19044103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 19044103122 in words is "nineteen billion, forty-four million, one hundred three thousand, one hundred twenty-two".