1819100001828 has 24 divisors (see below), whose sum is σ = 4244604170688. Its totient is φ = 606361310176.

The previous prime is 1819100001827. The next prime is 1819100001863. The reversal of 1819100001828 is 8281000019181.

It is not an unprimeable number, because it can be changed into a prime (1819100001827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890650 + ... + 2105102.

It is an arithmetic number, because the mean of its divisors is an integer number (176858507112).

Almost surely, 2^{1819100001828} is an apocalyptic number.

It is an amenable number.

1819100001828 is an abundant number, since it is smaller than the sum of its proper divisors (2425504168860).

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

1819100001828 is a wasteful number, since it uses less digits than its factorization.

1819100001828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339283 (or 1339281 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 39.

The spelling of 1819100001828 in words is "one trillion, eight hundred nineteen billion, one hundred million, one thousand, eight hundred twenty-eight".