1819100001829 has 4 divisors (see below), whose sum is σ = 1984472729280. Its totient is φ = 1653727274380.

The previous prime is 1819100001827. The next prime is 1819100001863. The reversal of 1819100001829 is 9281000019181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1819100001829 - 2¹ = 1819100001827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1819100001791 and 1819100001800.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 82686363709 + ... + 82686363730.

It is an arithmetic number, because the mean of its divisors is an integer number (496118182320).

Almost surely, 2^{1819100001829} is an apocalyptic number.

It is an amenable number.

1819100001829 is a deficient number, since it is larger than the sum of its proper divisors (165372727451).

1819100001829 is a wasteful number, since it uses less digits than its factorization.

1819100001829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165372727450.

The product of its (nonzero) digits is 10368, while the sum is 40.

The spelling of 1819100001829 in words is "one trillion, eight hundred nineteen billion, one hundred million, one thousand, eight hundred twenty-nine".