19036989798 has 16 divisors (see below), whose sum is σ = 38076329280. Its totient is φ = 6345271656.

The previous prime is 19036989791. The next prime is 19036989821. The reversal of 19036989798 is 89798963091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19036989791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17973 + ... + 195951.

It is an arithmetic number, because the mean of its divisors is an integer number (2379770580).

Almost surely, 2^19036989798 is an apocalyptic number.

19036989798 is an abundant number, since it is smaller than the sum of its proper divisors (19039339482).

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

19036989798 is a wasteful number, since it uses less digits than its factorization.

19036989798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195811.

The product of its (nonzero) digits is 52907904, while the sum is 69.

The spelling of 19036989798 in words is "nineteen billion, thirty-six million, nine hundred eighty-nine thousand, seven hundred ninety-eight".