2019381350387 has 2 divisors, whose sum is σ = 2019381350388. Its totient is φ = 2019381350386.

The previous prime is 2019381350383. The next prime is 2019381350419. The reversal of 2019381350387 is 7830531839102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2019381350387 - 2² = 2019381350383 is a prime.

It is not a weakly prime, because it can be changed into another prime (2019381350383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009690675193 + 1009690675194.

It is an arithmetic number, because the mean of its divisors is an integer number (1009690675194).

Almost surely, 2^{2019381350387} is an apocalyptic number.

2019381350387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019381350387 is an equidigital number, since it uses as much as digits as its factorization.

2019381350387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 2019381350387 in words is "two trillion, nineteen billion, three hundred eighty-one million, three hundred fifty thousand, three hundred eighty-seven".