2019809467392 has 352 divisors, whose sum is σ = 5556258892800. Its totient is φ = 652121014272.

The previous prime is 2019809467363. The next prime is 2019809467477. The reversal of 2019809467392 is 2937649089102.

It is a super-2 number, since 2×2019809467392² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3968191234 + ... + 3968191742.

It is an arithmetic number, because the mean of its divisors is an integer number (15784826400).

Almost surely, 2^{2019809467392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2019809467392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778129446400).

2019809467392 is an abundant number, since it is smaller than the sum of its proper divisors (3536449425408).

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

2019809467392 is a wasteful number, since it uses less digits than its factorization.

2019809467392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 2019809467392 in words is "two trillion, nineteen billion, eight hundred nine million, four hundred sixty-seven thousand, three hundred ninety-two".