2019451338830 has 48 divisors (see below), whose sum is σ = 3836750619600. Its totient is φ = 765195462144.

The previous prime is 2019451338761. The next prime is 2019451338857. The reversal of 2019451338830 is 388331549102.

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 23 ways as a sum of consecutive naturals, for example, 56475017 + ... + 56510763.

It is an arithmetic number, because the mean of its divisors is an integer number (79932304575).

Almost surely, 2^{2019451338830} is an apocalyptic number.

2019451338830 is a deficient number, since it is larger than the sum of its proper divisors (1817299280770).

2019451338830 is a wasteful number, since it uses less digits than its factorization.

2019451338830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51441 (or 51422 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 2019451338830 in words is "two trillion, nineteen billion, four hundred fifty-one million, three hundred thirty-eight thousand, eight hundred thirty".