19019869300 has 18 divisors (see below), whose sum is σ = 41273116598. Its totient is φ = 7607947680.

The previous prime is 19019869289. The next prime is 19019869321. The reversal of 19019869300 is 396891091.

It can be written as a sum of positive squares in 3 ways, for example, as 16695396 + 19003173904 = 4086^2 + 137852^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95099247 + ... + 95099446.

Almost surely, 2^19019869300 is an apocalyptic number.

19019869300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19019869300 is an abundant number, since it is smaller than the sum of its proper divisors (22253247298).

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

19019869300 is a wasteful number, since it uses less digits than its factorization.

19019869300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190198707 (or 190198700 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 19019869300 in words is "nineteen billion, nineteen million, eight hundred sixty-nine thousand, three hundred".