19128485382 has 16 divisors (see below), whose sum is σ = 38259252480. Its totient is φ = 6375781512.

The previous prime is 19128485381. The next prime is 19128485393. The reversal of 19128485382 is 28358482191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19128485381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25719 + ... + 197277.

It is an arithmetic number, because the mean of its divisors is an integer number (2391203280).

Almost surely, 2^19128485382 is an apocalyptic number.

19128485382 is an abundant number, since it is smaller than the sum of its proper divisors (19130767098).

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

19128485382 is a wasteful number, since it uses less digits than its factorization.

19128485382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190147.

The product of its digits is 1105920, while the sum is 51.

It can be divided in two parts, 19128 and 485382, that added together give a triangular number (504510 = T₁₀₀₄).

The spelling of 19128485382 in words is "nineteen billion, one hundred twenty-eight million, four hundred eighty-five thousand, three hundred eighty-two".