2019381350443 has 2 divisors, whose sum is σ = 2019381350444. Its totient is φ = 2019381350442.

The previous prime is 2019381350419. The next prime is 2019381350453. The reversal of 2019381350443 is 3440531839102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2019381350443 - 2¹⁷ = 2019381219371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2019381350443.

It is not a weakly prime, because it can be changed into another prime (2019381350453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009690675221 + 1009690675222.

It is an arithmetic number, because the mean of its divisors is an integer number (1009690675222).

Almost surely, 2^{2019381350443} is an apocalyptic number.

2019381350443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019381350443 is an equidigital number, since it uses as much as digits as its factorization.

2019381350443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 2019381350443 in words is "two trillion, nineteen billion, three hundred eighty-one million, three hundred fifty thousand, four hundred forty-three".