19098000000 has 336 divisors, whose sum is σ = 68759471430. Its totient is φ = 5088000000.

The previous prime is 19097999989. The next prime is 19098000023. The reversal of 19098000000 is 89091.

It can be written as a sum of positive squares in 7 ways, for example, as 8640074304 + 10457925696 = 92952^2 + 102264^2 .

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 41 ways as a sum of consecutive naturals, for example, 17999470 + ... + 18000530.

Almost surely, 2^19098000000 is an apocalyptic number.

19098000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19098000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34379735715).

19098000000 is an abundant number, since it is smaller than the sum of its proper divisors (49661471430).

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

19098000000 is an frugal number, since it uses more digits than its factorization.

19098000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

Adding to 19098000000 its reverse (89091), we get a palindrome (19098089091).

The spelling of 19098000000 in words is "nineteen billion, ninety-eight million", and thus it is an aban number and an uban number.